Protect your horses from the harmful effects of chewing, gnawing AND cribbing! CRIB-GUARD is a long-lasting anti-chew spray and gel that is guaranteed to stop your horse from chewing and cribbing! CRIB-GUARD is safe for all surfaces, including: wooden, plastic or metal fences and stalls, blankets, wraps, bandages and any other surface your horse desires to chew. Will not irritate skin and will not harm vegetation.