See begining of siman ל''ב machloket Rambam and rosh if you told him to put the leather lishma. Last Updated: 6 years ago in Hashkafa Tags: gentile, Jew, leather, salt, strap, tefillin, tfilin Related Articles Kevod Harav What is the din by a non Jew salting the tefillin straps? Who allows and who prohibits it? Kvod Harav, can we buy things from a store that doesn't charge sales tax, is it considered lifnei iver? Kevod Harav, is it bedievad to have tefillin made from בהמות דקות? Also is it bedievad to have tefillin made form parts not one whole part? Kvod harav, for the first year of marriage is it permitted to have guests? Is it a hillul Hashem if a Jew wearing a kippa does not stand for the national anthem? Is it mutar to eat a meat burger with fake/tofu cheese? The problem otherwise is marit eyin?