The TurfCordz Quick React is used between two people for agility, explosive start. A tackle mirrors a defensive end. A point guard mirrors his or her counterpart.áQuick react is for what its name implies - a tool for quick reaction drills.áThe TurfCordz Quick React includes 2 adjustable waist belts with side release buckles. Fits up to a 54in/1.3 m waist. Features a Velcro connection in the middle that snaps where there is a separation between opponents. No removable components or replacement parts. Not interchangeable.