I used this harness way less and bought a solo harness instead, I have the original screw and 1 third party screw, does the same thing... plus I recommend to always use the safety clips. Full time photographer here, ask me any questions Fit is based on HEIGHT & BROADNESS. The ideal carrying position of the MoneyMaker is for the strap to fall about 4" below the armpit so the cameras stay high on the body. SMALL= Height of 5'7" (170 cm) and below (if you are broad/built then size up)