CoreX Break Away Belt, Reaction Belt, Speed Belt, Quick Release Belt for Speed and Agility Training, Resistance Belt The CoreX Breakaway quick release system is an innovative, yet simple design that enables partner or self-release. The release mechanism is a CoreX aluminum slide buckle that is rated to 1,200 lbs. The kit can be attached to any harness or training belt It works by tugging a strap that is connect to the slide buckle. Unlike other kits, there is no Velcro to fail or wear out, and ricochet is negligible/non existent, being limited to a lite weight (few grams) rounded edge slide buckle and straps. The CoreX breakaway kit offers maximum flexibility. The kit can be configured for partner release (ideal for sprinting start training), or self-release when running with parachutes or jettisoning a towed runner. The partner release operates 9 foot from runner. The supplied 71/2 foot strap can be used independently as a runner tow strap or for hauling gym sleds without the need for the breakaway strap and slide buckle. Please note belt not included with this option.