I got new retzu'ot this Sunday from a fellow user of this forum, a sofer and my chevrutah. However, these new retzu'ot† are much harder than my old ones were when I got them. How would one go about breaking them in, keeping in mind that they do have kedushat tefillin and, as such, should not be treated in a disrespectful manner ?

*This is not an halachic question and, as such, CYLOR does not apply.

†When I say "hard" I mean that they are stiffer and less supple.

  • 3
    Did you ask your sofer/chavrusa?
    – sam
    Nov 28, 2018 at 16:11
  • Like all leather, oil helps make it supple. en.wikipedia.org/wiki/Oiling_%28leather_processing%29 For most people that could be years of sweat.
    – Double AA
    Nov 28, 2018 at 16:25
  • 2
    There is still a Halakhic question of if a method proposed is Halakhically acceptable.
    – Double AA
    Nov 28, 2018 at 16:27
  • @sam, I did, he didn't have any ides Nov 28, 2018 at 20:55
  • @DoubleAA, I'm aware. I can always ask him, since kabbalah in safrut gives someone heter lehora'ah for sta"m matters. Nov 28, 2018 at 20:56


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