Double action chew bone double action chew bonethe double action chew from nylabone helps your dog fight boredom discourages them from destructive chewing helps clean teeth and most of all provides enjoymentthese chews have a dual texture bacon flavour durable ends with a soft mint centre which gives your dog an added benefit of a gum massage everytime they decide to chewyour dogs natural chewing action raises small bristle like projections that help clean teeth and control tartar build up nbspn