Hello! I am wondering if anyone knows if this even exists. I'm looking for a way to feed my horse that will mimic foraging, specifically a stainless steel round cage that goes on the ground and can pushed around as the horse pulls the hay out of it. The horse I take care of lives in a stall and his hay is thrown on the ground. Hay racks like these http://www.smithbrothers.com/product.asp?pn=X3-4799&sid=nextag&CATALOG_CODE=SX832&EID=X3832001&zmam=1460880&zmas=2&zmac=37&zmap=X3-4799&bhcd2=1230440466... read more