Thanks for responses. I have tranzwear underwear, and also do my own sock pouch thing with a safety pin for non stp packing. My question is if you must wear some kind of harness to use a stp packer? I don't remember any tranzwear product advertised for stp packer use that isn't a harness of some kind, same with the tool shed, early to bed. I haven't looked at the transitional male page in depth and will check that out. But my question right now remains is a harness required to use a stp packer? Thanks.