Happy Mouth hanging cheek. The Happy Mouth Bits are made from hi-tech plastic moulded around a stainless steel centre for added durability, and feature an apple scent to help encourage acceptance of the bit, mouthing and help to improve performance. The Happy Mouth Bits are warmer to the touch than traditional stainless steel bits making it ideal for younger horses or horses with a sensitive mouth. The Hanging Cheek Snaffle is a single jointed bit with a nutcracker action that works on the tongue, the bars of the mouth and can have action on the horses palate. Read more… The Hanging Cheeks exert a small amount of poll pressure making it easier for the rider to ask the horse for flexion and softness at the poll.