T-PRO Back-Four-Chain Trainer

T-PRO is high quality trainer for 4 men in a row and with bungee effect. This is an evolution of the classic four-chain belt. The use of the rubber cords produce the bungee effect if the positions are not respected. The players immediately notice if their position is wrong and it appears a rapid training effect for the processes in the exercise.
Product features:
 - 4 x waist belt
 - 3 x elastic rubber band (each 5.5 - 10 m long)
 - 6 x carabiner