10-16 m/o foster pit/shep becomes possessive of toys w/ other dogs and started chewing the wall? How can I correct this?

I have two foster puppies (10-16mos) in my home. Both are well exercised and are able to play together all day. When they get to rough they are…

ASKED BY Luna on 9/17/11
TAGGED food, chewingwal, toyaggression, possessiveness, foster, fosters IN Chewing