Manna Pro Likit Tongue Twister, Red Durable plastic ball toy that attaches securely to the stable wall or fence Continually rotating ball that provides endless entertainment with inserts for two Little Likits Scientifically proven to help reduce cribbing by up to 27-percent Challenge level is medium, for horses new to Likits or not highly motivated by food Use with 1 or 2 x 250-gram Little Likits