> Reaction belt made of tear-resistant plastic fabric > The reaction belt is attached to a waist belt > Both are connected with a leash with Velcro fasteners > The person in front sprints off and tries to deceive the person behind > He makes turns and tries to lose the person behind > The short connecting rope requires a quick reaction > The person behind has lost if the connection breaks > Change positions after 3 attempts > Ideal for warming up and as a preliminary exercise for learning feints