I am having a hard time getting Hines to chew anything. I have tried, antlers, bully sticks, all different types of raw hydes, pig ears and a number of different chew toys and he just wont chew on anything. He is starting to teeth so I tried giving him chilly bones, ice cubes and a frozen towel but those did not work either. He will not chew on anything that we give him but he sure tries to chew on the couch, pillows, carpet and pretty much anything else he shouldnt have. Any suggestions of something I haven't tried yet?