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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.
Ink, Kosher vs. non-Kosher
By
Zvi
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We all know that there is no ancient source that requires ink to be מן המותר בפיך . Possibly, as said here before, because in the olden days ink was always מן המותר בפיך and the question was never raised. It was probably self-evident. Nowadays, no decent Rav will approve an ink which is not מן המותר בפיך . Who was the first one to raise this question? Was it raised because of animal ingredients or because of non-kosher wine?
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.