Designed for dual modes at the lateral fixed point of the strap or single mode at the ventral fixed point where the hand is placed at the free end, it is easy to adjust during loading. With the progressive locking/unlocking function of the device, it can be easily adjusted with one hand. The soft rope ensures good fluidity. The yellow color provides a better view. The pulley is installed on a sealed ball bearing, which can easily absorb laxity. Optimized service life: Steel friction elements can limit wear, and the rope length can be customized