... to fasteners and latex looped heel fasteners.Instruction manual by fitness expert Jon Hinds, CSCS, CPT, NASM, former strength coach ... to fasteners and latex looped heel fasteners.Instruction manual by fitness expert Jon Hinds, CSCS, CPT, NASM, former strength coach ... to fasteners and latex looped heel fasteners.Instruction manual by fitness expert Jon Hinds, CSCS, CPT, NASM, former strength coach ...