Satisfy your dog’s natural chase instinct with the Chuckit! UltraRing. The unique topspin infused action causes the Chuckit! UltraRing to erratically bounce, zig, zag, & hop on the ground just like real game, engaging your dog’s natural chase instinct.Chuckit! UltraRing erratically bounces, zig, zags, & hops on the ground.UltraRing is inspired by the best-selling Ultra Ball, this ring has incredible bounce & durability.Engage your dog’s natural chase instinct.