Habanero sauce worked wonders for us. Curly chewed on the molding in our place one time. First we made him smell the sauce and then forced him to taste it by putting a small drop on his nose. We rubbed habanero sauce on every corner in the house and he never chewed any part of the walls or furniture afterwards.
When we take the bottle out he runs away.
We tried cayenne pepper and pepper seeds with my other dogs when they were younger and it didn't work - I think the spice wasn't strong enough to deter them so with Curly we went straight to the strong stuff
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