Premium Pork Chomps 3 – 4” Bacon Flavor Small Knots are 100% rawhide-free dog chews. Low Fat, high in protein. Bacon Flavor Knots are pork skin dog treats. Veterinary Recommended Premium Pork Chomps are safe and healthy rawhide alternative dog bones. In 2012, The University of Illinois College of Veterinary Science conducted a study which proved pork skin to be fully digestible and significantly more digestible than beef rawhide. Jungle Jack Hanna has endorsed the Premium Pork Chomps brand as a safe and healthy rawhide alternative. 3 – 4” Bacon Flavor Small Knots are perfect for Miniature Dogs and Small Dogs.