[Bailey's driver]

Originally Posted by milles2@rpi.edu

HAD IT, CHEWED IT!

http://www.omegapaw.com/TrickyTreatBall.html Had it, chewed it.

http://www.petsmart.com/global/produ...N=2026219&Ne=2 Had it, chewed it.

http://www.petsmart.com/global/produ...N=2026219&Ne=2 Had it, chewed it.

The Buster cube might work for you. It's hard plastic and hard to find a place to grab. But it's noisy.