Busy Buddy, Waggle, Super Flexible Barbell Allows This Toy To Be Playfully Waggled & Shaken Back & Forth, Includes 2 Treat Meters That Randomly Dispenses Treats & Are Inner Facing Round Openings With Soft Adjustable Rubber Prongs That Allow For Easy Stuffing Of Kibble Into The Toy, As Dogs Play, Treats Will Randomly Fall Through The Opening, Rewarding Them & Encouraging Play.