Roman siege engines BC, and surrounded by Roman fortifications. As was standard siege technique at the time, "ballistae" were placed up in the towers with other soldiers armed with either bows or slings. The onager was a post-classical Roman siege engine, which derived its name from the kicking action of the machine, similar to that of an onager (wild ass). It is a type of catapult that uses torsional pressure, generally from twisted rope, to store energy for the shot. The onager consisted of a frame placed on the ground to whose front end a vertical frame of solid timber was rigidly fixed;
Animal roleplay represent an autoerotic form of zoophilia. Autozoophilia is mostly practised by wearing an animal costume, such as a latex mask, mascot costume or fursuit. Each type of play can focus on a certain "strength" of an animal character. Pony play often involves the practice and training that a horse owner or trainer would put their horse through to learn how to walk, canter, etc., as modified for human limbs. Puppy and kitten play often can involve BDSM related discipline. Cow Play often involves fantasies of lactation and impregnation. The usual limits of safe, sane and consensual apply to roleplay as