Also try bully sticks and other bones to keep him occupied. But if you have not ever given him any chewies before, please please sit there and watch him for the first few times to make sure he understands they are chewies and not to swallow them whole. I know tons of dog owners that just give their dogs a big ol' bully stick when they go out and it keeps them occupied.
My cat is smarter than your honor student.
Stop Dog Fighting ~ Neuter Mike Vick!
~ RIP Timmy ~ May 2009 - November 6th 2009