Harness racing use a standing start. The sulky (informally known as a "bike") is a light, two-wheeled cart equipped with bicycle wheels. The driver (not a "jockey", as in thoroughbred racing) carries a light whip chiefly used to signal the horse by tapping and to make noise by striking the sulky shaft. There are strict rules as to how and how much the whip may be used; in some jurisdictions (like Norway), whips are forbidden. For exercising or training, the drivers use what is known as a "jog cart," which is a sulky that is heavier and bulkier than a racing unit.
Cart before the horse pulls a cart, despite rare examples of vehicles pushed by horses in 19th-century Germany and early 20th-century France. The earliest recorded use of the proverb was in the early 16th century. It was a figure of speech in the Renaissance. The idiom is used in a context which reverses the usual chronological order of A and B. Cart before the horse The expression cart before the horse is an idiom or proverb used to suggest something is done contrary to a conventional or culturally expected order or relationship. A cart is a vehicle which is ordinarily pulled by a horse,