Your teething puppy will chew anything and everything! You know what they can't chew, but is good for your puppy or aggressive chewer to chomp on? It there anything that doesn't break the bank and that will last and your dog will love? I share with you two toys tested by Coco that have passed the puppy teething test! Listen to found out why. 1. Outeard Hound Invincibles 2. JW puppy Butterfly Teether.