Reference for Shabbat 281:18

אמר רב כהנא טיט שע"ג בגדו מכסכסו מבפנים ואין מכסכסו מבחוץ

Rab Judah also said: If one bathes in water, he should first dry himself<span class="x" onmousemove="('comment',' I.e., the part of his body that is not in the water. ');">¹⁵</span>

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