The steer wrestler, also called a bulldogger, starts on horseback in a box. A breakaway rope barrier is attached to the steer and stretched across the open end of the box. The steer gets a head start that is determined by the size of the arena. When the steer reaches the advantage point, the barrier is released and the bulldogger takes off in hot pursuit. If the bulldogger breaks the barrier before the steer reaches his head start, a 10-second penalty is assessed.
When the cowboy reaches the steer, he slides down and off the right side of his galloping horse, hooks his right arm around the steer's right horn, grasps the left horn with his left hand and, using strength and leverage, slows the animal and wrestles it to the ground. His work isn't complete until the steer is on its side with all four feet pointing the same direction. That's still not all there is to it.
To catch the sprinting steer, the cowboy uses a "hazer," who is another mounted cowboy who gallops his horse along the right side of the steer and keeps it from veering away from the bulldogger.
The efforts of the hazer can be nearly as important as those of the steer wrestler. Speed and strength are the name of the game in steer wrestling.