.While the videographer was filming the cruel jerk downs, one of therodeo contestants, along with the mother of another contestant, not onlytried to block the videographer's view and his ability to film therodeo, but they made threats against him.Individuals concerned about animal welfare are present and legallyvideotaping rodeo events at the Cheyenne Frontier Days Rodeo (CFD) inCheyenne, Wyoming. On Wednesday, July 17, 2013, those individuals filmednumerous cruel and dangerous "jerk downs" of young calves. A jerk downis where the calf is roped around the neck and flipped over backwards,landing on her head, neck or back.Jerk downs are extremelyviolent. Jerk downs violate the humane rules of the Professional RodeoCowboys Association (PRCA) which sanctions CFD. From the PRCA Businessmagazine, published March 15, 2013: