Diggs Groov Crate Training Aid for Puppies - Dog Crate Licking Toy and Puppy Training Aid - Safe, Calming Dog Enrichment Kennel Toy (Ice)CRATE ENTERTAINMENT FOR DOGS: Our patented Groov dog lick toy is a one of a kind puppy crate training tool that attaches to your pet's crate and encourages licking to reduce stress and make crate training easier and more enjoyable for pup and parent. ENGAGING AND ENRICHING: Designed for use with DIGGS treat spreads or other spreadable treats (sold separately), Groov crate enrichment toys for dogs provide mental stimulation while helping your pup