The set of PP4 straps, for fix hip belt to Dual X on Steroids system, to transfer load from hips to shoulders. Two straps are attached at front of Dual X shoulders. Third strap "Y" must be attached at back of Dual X shoulders. The "Y" strap allows to adjust space between shoulders. The PP4 straps can be attached to V8 and V9 hip belts only with PP3 loops.