Happy Mouth Jointed 2 Ring Gag BitHappy Mouth 2 Ring Jointed Mouth Gag. The unique Apple scent encourages horses to accept the bit and the space age polymer provides for a gentler bit for a happier horse. Color: Stainless Steel **Due to the contagious nature of the equine disease EHV 1 and per biosecurity measure guidelines suggested by the American Association of Equine Practitioners, The Tack Trunk will no longer accept any returns on bits