What is the difference between standard and Avodat Yad Tzitzit strings?
Jewish law requires that the strings of the Tzitzit be spun with the intention that they will be used for the Mitzvah of Tzitzit. In the old days when string was spun by hand, this meant that the person spinning the string had to do it for the sake of the Mitzvah of Tzitzit. Nowadays, most string is spun on machines. This raises a question about the validity of such strings for use as Tzitzit. Some rabbis have ruled that it is enough that the person operating the machine is making the strings for the sake of the Mitzvah. Other Rabbis are more stringent and have ruled that the strings need to be spun by hand. The standard Tzitzit strings that we offer with many of our Tallitot are made according to the former, more lenient opinion. The Avodat Yad strings are entirely hand made for the sake of the Mitzvah of Tzitzit. Since wearing a Tallit with Tzitzit is a biblical commandment, we recommend that you choose the Avodat Yad strings that are made according to the more stringent opinion, but