You know those little bags of fruit/apple pieces they give as an option in McDonalds? Well I once opened one and inside was a huge frozen spider. That was the first and last time I've taken that option.
In some Asian countries, rooster combs are believed to boost the consumer's virility. Now that I think about it, it's not just rooster combs, but all kinds of other weird junk, you'd never eat, either.