Newitts are Authorised TRX ® Distributor TRX ® Suspension Training the original creator of Suspension Training and Rip Training Equipment. Newitts an Authorised reseller carry a range of equipment to sell around the world. TRX ® is designed to test and strengthen our bodies. The TRX ® Rip Trainer and The TRX ® Suspension Frame being among a wide variety of quality products. TRX ® Suspension training refers to an approach to strength training that uses a TRX ® System of ropes and webbing called a suspension trainer to allow the user to work against their own body weight.