Many Ashkenazim now wear Tzitzith with Techeleth tied in the tradition of the RaMBa"M. However, my understanding is that Ashkenazim minimally require a double-knot at the base of the tassle in order ...
The Gemara says you have to tie no fewer than 7 chulyos and no more than 13. According to most shitas, 13 is the ideal. My question is, according to the Rambam, can you do whatever you want - 7 or 13? ...