You/ve seen the problem… smaller students battle with ankle rings that fall off their heel before they even start; while older students often have to take off their tennis shoe just to get the ankle ring in place… both problems are frustrating and take away from the fun of using _x001c_ankle jumpers_x001d_. Problems solved! The Ball Hop II has an open-and-close _x001c_handcuff_x001d_ ring that won/t slip off small shoes sizes and avoids the need to take larger shoes off. Just press down on the release tab to open the ring and it _x001c_click-lock_x001d_ it closed. The new design now includes fill-able speed control FLow Pucks that improve rotation and they/re removable from the rope for floor hockey playin essence giving you 6 free pucks. Sold in sets of 6 (1 of each color).