I think James is eating the bat because he is hungry, not for a challenge. Although it would be sorta cool if they get native food for the merge feast, and then next week, rather than a Yap dancing challenge, they have a Yap cooking one. The survivors have to re-imagine the traditional foods, using only doritos, pepsi, and KFC.
The immunity necklace is usually monstrously large and fugly. Ozzy has been wearing a little blue necklace, but has this brown one on in some of the promos.













