Also called "phylacteries": a religious object worn by Jewish men, usually during morning weekday prayers.

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How to differentiate between observance and habit [closed]

It seems to me a lot of the observances that come to typify Judaism can simply be explained as habits that people develop early in life, or at some point in life that they are considered to be ...
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1answer
197 views

Why does one have to put on Tefillin every day?

Technically, one should wear Tefillin all day. We don't, since we can't keep ourselves clean the whole day. But we still put it on once a day during Shacharis, since we can presumably keep ourselves ...
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4answers
97 views

Mirror for Teffilin

Is it enough to use my fingers to figure out if the teffilin is between my eyes, or am I halachically required to use a mirror in order to ensure that it is? I faintly remember a sugya in Ketuvot ...
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1answer
48 views

Teffilin at night after having been sick

If I was sick all day and was unable to put on Teffilin during the day, may I put it on at night to make up for the day I missed? If I remember correctly, the Mishna Berurah says that if one will not ...
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Practicing Binding Tefillin at Night

May someone who is not accustomed to laying tefillin practice binding at night, when there is no mitzvah, so that they will be proficient at wrapping when the day comes?
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Why do we remove tefillin (tefilin) for Hallel?

Those who wear tefillin on chol hamoed remove them before beginning Hallel. What is the reasoning behind doing that? Also, is there an ideal time to remove them (e.g., before or after the repetition ...
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1answer
96 views

Why do we say pesukim from Hoshea after donning tefillin?

In the standard Artscroll Ashkenazik siddur, after wrapping the tefillin around one's fingers it says to say the following pesukim from Hoshea 2:21-22 וְאֵרַשְׂתִּיךְ לִי, לְעוֹלָם; ...
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2answers
67 views

Which Knot to Use on Tefillin Shel Rosh

When I was a child, I saw that all people had the same knot on their Tefillin Shel Rosh - a Double Daled (Ashkenazi community). Recently I saw a comment that even those who grew up with a Double ...
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3answers
139 views

Is it proper to put away the tefillin before the end of Shacharit?

In many shuls, I see the majority of people begin putting away their tefillin when the chazan begins the full Kaddish (after U'va Letzion). To me this seems disruptive and disrespectful to the ...
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1answer
63 views

Following both Rashi and Rabbeinu Tam (mezuzah, sefer torah and tefillin)

I have heard it said that the reason as to why Ashkenazim place their mezuzot at an angle is to harmonise the opinion of Rashi, who held that it should be vertical (Menachot 33a, s.v. איסתוירא), with ...
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1answer
31 views

Taking off tefillin for Mussaf on Rosh Chodesh [duplicate]

On Rosh Chodesh we take off our tefillin before Mussaf. 1) What's the source this? 2) Why do we do it?
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Tefilin Shel Yad & Tefilin Shel Rosh

This morning in Shul a fellow asked me an interesting question regarding Tefilin. Both the Tefilin Shel Yad & Tefilin Shel Rosh have the same 4 Parshiyos written in them. What is the purpose of ...
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1answer
22 views

Can one cut out a part of the tefillin shel yad and place it in the shel rosh?

Let's say a major portion of the shel yad parchment is so badly damaged that it cannot be fixed. But there is a section containing a full parsha that could be used as one of the parts for the shel ...
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1answer
104 views

Why kiss the tefillin by “poseach es yadecha”?

As mentioned in this question, there is a fairly widespread custom to kiss the tefillin at certain times during Shacharis, among them the parts of קריאת שמע that mention tefillin. One of these times ...
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1answer
36 views

Is there a need to get nice Tefilin?

Mesechtas Shabbos 133b gives a list of items that one should do with nice things in order to beautify the Mitzva. Conspicuously absent is Tefilin. Is there a source to get nice Tefilin? If not, why is ...
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1answer
41 views

Why is the mitzvah of tefellin not by night?

Berachos discusses the importance of saying shema while wearing tefellin. Saying shema without tefellin is likened to bringing an incomplete sacrifice (Berachos, 14b). Similiary, one who washes his ...
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1answer
67 views

Should one wear tefillin for tashlumin for Shacharis?

Let's say Aharon missed Shacharis. He needs to pray Shemoneh Esrei twice by mincha time to make it up, which is called "tashlumin" (תשלומין). (OC 108:1) Now, Aharon can put on tefilin at any point in ...
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164 views

How does one wrap tefillin with a cast?

If I had a cast on my tefillin arm, how would I wrap tefillin? Would I only do the shel rosh? Or switch hands? (Assuming this is a full-arm cast.)
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1answer
95 views

Kosher shoe-polish to blacken tefillin

Based on this question: Do Tefilin need to be painted with "special" ink? Based on the answers, we know that the paint used on the retzuah must be derived from kosher animals (or plants and ...
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2answers
66 views

Retzuah Problems

I've recently been having a couple of problems with the retzuot (straps) for my head tefillin. First and foremost, the knot ("double-dalet" or "square" if it makes a difference for answers) has been ...
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1answer
138 views

Can a non-practicing Jew give his only tefilin away as a gift?

What is the halacha behind gifting tefilin? What is the halacha of receiving tefilin? Can a Jew gift his only pair of tefilin if he does not use it and can another Jew accept a gift which leaves the ...
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What happens if I wrap my tefillin before the earliest time to wrap tefillin? [closed]

The earliest time to wrap tefillin in my town is 6:14 (for the next little while), on Monday and Thursday we start at 6:15. Is it OK if I finish wrapping my tefillin before 6:14? Do I still get the ...
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2answers
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Is a cochlear implant considered a chatzitza for tefillin shel rosh?

A cochlear implant is attached on the outside of the head as shown in this picture As you can see, there isn't much leeway to move the coil off the head into a different position as there is a ...
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1answer
59 views

Shirts that accommodate the shel yad

All of the button down shirts that I own cannot be rolled up past the elbow. To put on tefillin I need to roll the sleeve all the way to the shoulder. What do you look for in a shirt to determine that ...
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Tefillin as an Ot

The commandment of the arm-tefillin is וקשרתם לאות על ידך, "And you shall bind it as an sign upon your yad". (Devarim 6:8, Devarim 11:18) However, having just read an answer by Shalom, defining a ...
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1answer
62 views

Wrapping the shel yad: no shin on the hand

I follow chabad custom which, when it gets down to my hand, I believe involves only wrapping one finger of the hand in addition to the palm. I make the shin on my arm. But the Shema says bind it on ...
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2answers
84 views

Best way to wrap retzuot around battim?

This is a tad embarrassing, given that I've been wearing tefillin for decades, but I've always had trouble wrapping the retzuot around the battim when putting away tefillin. Quite frankly, I've taken ...
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1answer
129 views

Origin of Chabad tefillin

I have wondered for some time about certain elements of Chabad minhagim re. tefillin, so here goes: What is the origin of their kesher shel yad? When was it decided that they should be huge (4x4cm ...
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4answers
66 views

How to prevent tangling of tefilin and talit

I have been putting on talit along with tefilin for over a decade, and I still frequently get the strap of my shel yad tangled in the one of the fore-tzitzit of my talit when I'm winding it around my ...
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Halachic opinions on tefillin peshutim

I was discussing the subject of tefillin with my father motzei-Shabbat and particular, the battim (leather boxes that contain the parshiyot, or parchment scrolls). We ended up wondering what the ...
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1answer
66 views

Answering “Amen” etc after putting on tefillin shel rosh?

For a sefardi that only says one beracha on tefillin, can "Amen" and "Amen - yehe scheme raba..." be answered immediately after putting on the shel rosh but before tying the shel yad around the ...
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1answer
85 views

What should be done if the shel rosh first is taken out first?

Let's assume that one puts on the shel yad (hand-tefillin) before the shel rosh, and based on that, should be careful to take out the shel yad first (because of "אין מעבירין על המצוות"). What should ...
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Photocopies of R' Moshe's tefillin

The answers to this question discuss photocopies of the R"T tefillin used by R' Moshe Feinstein. Are scans of these photocopies available on the internet?
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Killing animals for tefillin — how?

Are there halachas for how an animal for tefillin must be killed? Or can it, for example, be shot, assuming it was shot by a non Jew. If there are no restrictions, why not? (one would think that we ...
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Are the animals killed for tefillin killed humanely? [duplicate]

Are the cows used to make leather for Tefillin killed humanely? I don't want to pray with something bound to me when that something was made from an inhumanely killed animal.
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268 views

Is cold weather bad for tefillin?

The winter season is around the corner and I am wondering if it's damaging to leave tefillin out in the cold (I usually leave mine in a room with no heat). Would this ruin the tefillin because of ...
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1answer
30 views

A question about Tefillin and the customs relating to strapping of tefillin

Why do we strap the tefillin around our arm 7 times? Also, what is the significance of the way we wrap the tefillin around our finger?
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1answer
179 views

How to adjust the knot on tefillin shel rosh? (double daled)

Sometimes the knot on the tefillin shel rosh needs to be adjusted, either due to growth, haircut, or borrowing a pair of tefillin. How is that knot adjusted? What piece of the retzuah (strap) should ...
2
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1answer
125 views

How to adjust the knot on tefillin shel rosh? (single daled)

Sometimes the knot on the tefillin shel rosh needs to be adjusted, either due to growth, haircut, or borrowing a pair of tefillin. How is that knot adjusted? What piece of the retzuah (strap) should ...
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1answer
82 views

Can a person with a disability that causes them to be incontinent put on tefillin? If so, when?

If someone has a disability wherein they suffer from incontinence from time to time are they able to put on tefillin or not? Is there any consideration for psychological or emotional damage that may ...
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1answer
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Shin of tefillin mentioned in the Gemara originally a reference to the division of the compartments of the Shel Rosh?

The source for [at least one of] the Shins on the tefillah shel rosh is the Gemara (b.Menahoth 35a): ואמר אביי שי"ן של תפילין הלכה למשה מסיני וצריך שיגיע חריץ למקום התפר רב דימי מנהרדעא אמר כיון ...
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1answer
67 views

Why don't we wear tefillin on Yom Tov sheni?

In Hilkhoth Tefillin 4:10, the Rambam states the basic and well-known halakhah that "...shabbathoth wi-yamim tovim enan zeman tefillin..." (Translation: "Shabbat and Yom Tov are not times for ...
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1answer
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Tefillin Gassot

According to this video, gassot have only been around for about a century. I know for a fact that when my father became bar mitzvah, his grandfather got him tefillin dakkot (his father got new ...
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Minhagim for removing tefilin on chol hamoed

I daven in a minyan with a significant number of people who don tefilin on chol hamoed. The way I have always thought the minhag was practiced was that the tefilin are removed before halel; however, ...
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Does saying “LeShem Mitzvath Tefillin” invalidate the Tefillin?

SCENE: A Sofer is explaining the importance of LiShmah in touching up the paint on a well-worn set of Tefillin. Sofer: Before you begin, you need to say, "LeShem Mitzvas Tefillin." Then, you - oh, ...
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1answer
27 views

Sofrim selling other's K'tav rather than their own

Some of the websites by sofrim which I have seen (this and this) show that the sofrim who run them do not write for themselves. Why is this?
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May one make the bracha on the shel yad, while the cover (which is never taken off) is on?

Is it permissible to keep the plastic shel yad cover on semi-permanently and make the blessing on the shel yad like that? Considering that there is a small opening in the plastic cover, would it be ...
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83 views

Holy Objects of a Messianic

Messianic Judaism is a heretical offshoot of Judaism which maintains that Jesus was the Mashiach which may violate the prohibition of avodah zarah (see above link). Would the tefillin or tallit* used ...
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100 views

What do those people who wear tefillin all weekday do on Rosh Chodesh?

There are people who wear tefillin all day (see related question When did people stop wearing Tefilin all day? and the comments to it.) For one or two reasons many remove tefillin before Mussaf on ...
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3answers
99 views

Why 1 box for the tefillin shel yad and 4 boxes for the shel rosh?

Why does the tefillin shel yad (hand) have 1 box and the shel rosh (head) have 4 boxes? I know it's because of the physical "structure", i.e. - the yad has 1 parchment and the rosh has 4 separate ...