The life of a biological equine has many activities that include BDSM. The life of a bio-equine is a life of bondage unless the horse is a wild horse. An owned biological equine is going to be trained in some type of discipline. There is a period of forced play, old school horse breaking, the equine must be broken to wear a bridle, harness, take the bit, wear a saddle and be ridden. There is punishment and discipline, training, forced exercise, resistance play, and serious bondage in the life of a biological equine. There is bronco busting, training for a particular discipline, show pony or circus pony training, and work pony training. Dominance and submission play a part in the relationship building between any handler and biological equine, even for an equine with a dominant personality. Sadomasochistic themes exist in the life of a biological equine beyond forced play and impact play. There is objectification, service, exhibitionism, fetishism, and medical play. In the life of a biological equine, being made a gelding, sissification, exists. The biological equine world is abundant with opportunities for creative role play in BDSM.