R. Aba – winepress vines are not part of grape
R. Menashiah – hay for sekhakh hay is not part of grain [R. Aba disagrees]
Baraita: using hay with grain for sekhakh
Tanna Kamma – hay needs to be more than grain
Aherim – hay needs to be more than grain + handles
All agree not part of grain. Case of Baraita is when first intended for food.
Mishnah
A. Boards
Rav
<4 kosher
4 controversy: R. Yehudah kosher, R. Meir don’t sleep under it
Shmuel
<3 kosher
3-3.9 controversy: R. Yehudah kosher, R. Meir pasul
4 don’t sleep under it
1. Challenge to Rav 1
2. Challenge to Rav 2
3. Support for Rav
4. Support for Shmuel
B. Sideways board
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