Mishnah (048): Beis Shammai: Skin cannot be placed on the ground before the treaders, and it cannot even be handled unless it has a kzayis of meat stuck to it. Beis Hillel: It is permitted [because it is a melacha she’eino tzrichah legufah. Additionally it is being done with a shinui and is a davar she’eino miskavein].
Gemara:
Beraisa: They both agree that meat which will be broiled may be salted over it [salt works to preserve the skin. We’re worried that if slaughtering an animal on Yom Tov means losing the hide, the owner may forego eating meat on Yom Tov].
Abayye: This is specifically meat which will be broiled but not meat which is cooked [meat which is cooked must be salted to remove its blood - so that it doesn’t leave the meat during cooking and come back in again - but broiled meat is salted minimally].
Question: Isn’t that obvious? The Beraisa states “meat which will be broiled”.
Response: Abayye is pointing out that even if the meat will be broiled, it may only be salted minimally.
Beraisa: The fats [of an animal slaughtered on Yom Tov] may not be salted [for preservation], nor can they be turned over for aeration. They said over from Rabbi Yehoshua: They may be spread on sticks [you can’t leave it lying on the floor, you have to put it someplace, so you can put it somewhere which is prepared for that purpose].
Rav Masnah: The halachah follows Rabbi Yehoshua.
Some say: Rav Masnah: The halachah does not follow Rabbi Yehoshua.
Challenge: According to the first version we understand why the ruling is necessary, since “a single against the majority, the law follows the majority”, but according to the second version, isn’t it obvious that the law doesn’t follow Rabbi Yehoshua who is opposing the majority opinion?
Resolution: One might think that Rabbi Yehoshua’s logic is superior because we’re afraid that if you don’t permit anything, people will refrain from slaughtering animals on Yom Tov and will forego having meat, still the halachah does not accept this argument. 
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