Platinum Jumps Original One Handed Jump Cups No more lost pins because its all-in-one, cup and pin! Made of a cold roll steel to be durable and last for years. Jump cups are handmade in the USA. Also available in quantities of 10 and 20 pairs for extra savings. One handed jumps cups will fit any 4x4 standards. Jump Cups are used at horse shows and riding academies throughout the United States and Canada