Walkathons are boring, wankathons are not. Who wants to watch people walk when you can watch people masturbate? The first Masturbation Contest for World’s Aid Day took place in Shenzhen. The Shanghaiist has a set of wonderful pictures of men without pants, floppy dildos, dolls with orfices to stick fingers or penises into, and personal cum buckets. (Shanghaiist’s removed the…