Starmark Dog Treat Ringer Orb Litter Boxes Your dog will learn to

Your dog will learn to associate his barking with the unpleasant high-pitched sound (inaudible to most humans)

Line up sliding paw panels and lock them in place by pushing handles in

Add another dog to your current SportDOG Brand electronic collar system or replace a Collar Receiver with the SDR-AXW Add-A-Dog Receiver

When the SmartDoor no longer senses your pet's SmartKey

Starmark Dog Treat Ringer Orb Litter Boxes Your dog will learn toTreat Rings are held in place by inner rod and must be chewed to be removed. Treats also fit sideways into toys between toy wall and inner rod. Treat Ring system encourages chewing. Durable nylon material holds up to even the strongest chewers. Challenge rating 4. 1 out of 5. Edible Treat Ring Ingredients: Rice Flour, Wheat Gluten, Vegetable Glycerin, Gelatin, Water, Natural Chicken Flavor, Lecithin, Carrageenan (natural seaweed extract), Parsley.