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Klaff Tanning question:
By
Rabbi Eli Gutnick
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I received this question via email. I am not really a klaf expert, I was wondering if anyone could answer this question: Dear Rabbi Gutnick, I am writing to you because a good friend of mine has put the idea into my head that the klaf in my tefillin were not really tanned and therefore are not kosher. He referred me to Megilla 19a re diftera. From the research that I have done so far, it seems that the klaf that is used today is tanned only with a lime wash. On all of the tanning websites I’ve seen so far, they say that the lime doesn’t accomplish tanning but only the removal of the hair and some other pre-tanning effects. Would you be able to explain to me or refer me to a website that explains how the tanning process that is used today takes the hide out of the category of diftera? Thank you very much.
The forum is back online...for reference and research purposes.
By
Rabbi Eli Gutnick
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Dear Readers and Members, The forum has been down for over 6 months because the domain name (www.stamforum.com) lapsed and it is no longer available to re purchase. Although this forum is now defunct (it has morphed into several whatsapp groups), I have had many requests to put it back online because it contains so much information (over 1,800 posts and thousands of comments in the discussions, on a wide range of topics related to STa"M). I have therefore put the forum back online at blogger, so the address is www.stamforum.blogspot.com. The forum lasted for a decade...not a bad effort! It was pretty popular back in the days before whatsapp and managed to receive over a million hits in it's short life. It was one of the only organised forums in the STa"M world and definitely the largest in it's heyday. I would like to thank all those who cobtributed over the years, particularly the early members who helped build it up. Thanking you all, Eli
it would take about 2 minutes to fix with an electric sander
ReplyDeleteHow can one sand the corner there where all of the mavarta is protruding even lower?
Deletei use a disc sander for the back corner
DeleteAs long as the square of the lower titura, and the square of the lower tfira are still recognized, IE their length and width are equal on all 4 sides, it is kosher. If not pasul, unless fixed.
ReplyDeletewhen you say equal you mean less that 1mm discrepancy
Deleteprior to any sanding, the titura should be pressed back into its proper form as best as possible. Once you've done your best to get it back into shape then you would sand whatever is necessary. Sanding is permanent and is not the first step.
ReplyDeleteBatim experts are able to use heat straighten the titura. This is not something I'd suggest trying on your own as it is easy to mess up. The warped corners can also be very carefully straightened with a pliers. Finally, often some corners will need to be soaked out and reshaped.
The large gap in the opening can be a problem with the ribua. Also, some hold that considerable warping affects the ribua and if the titura elyona and tachtona are not aligned (creating a step) then some consider this a problem in ribua as well. Hence the batim must be fixed.