I know making kiddush with a plastic cup is problematic because of requirements. I have seen people using two plastic cups: what is the source for this and is it legitimate?
If one doesn't have a non-disposable cup or becher available, can s/he use a disposable cup? Are there any specific types (plastic, styrofoam, paper...) of disposable cups allowed, or is any cup okay ...
Is there any reason behind whether people use a stemmed kiddush cup or not? Does it have to do with minhag? Kabbalah? I would have thought that some people who have a minhag to put their palm under ...
What is the minimum Shi'ur (volume) of a cup required for making Kiddush on liquor? Is there a smaller amount required than there is for wine? What is the minimum Shi'ur of the liquor that one is ...
If someone uses a kiddush cup that is exactly (or close to) the bare minimum (see this question) needed to fulfill the obligation, how much of that cup must he drink? Do the different times one must ...
I read that a reviit (the minimal size for a cup used for kiddush, havdala etc) is 86.4 mL according to the generally accepted view (see here for options). Does anyone know where I can get a cup that ...
I have an unstemmed kiddush cup with Hebrew inscriptions on the inside. I am told that it is from Rabbi Hashrash and refers to the 4 rivers of Eden. Do you know the story behind this?