When you purchase Tefilin, the Tefilin Shel Yad has a protective cover. Why? Is it Halachically necessary?
There are occasions, e.g. a mezuza in a sometimes-unbecoming environment, in which we're required to cover a holy object with one or two wrappings to separate it from various environmental elements. ...
My tefillin shel yad had a cover that could slip on and off but the cover is lost and needs replacement. Is there a way I can determine the size so I can ask for a replacement? Are there standard ...
A friend would like to make a mezuzah case for me, but has never made one before. Are there any restrictions on its construction or design?