Hi guys I now have an X4 labs extender to replace my PF (which was causing some issues on my glans). The X4 is very comfortable to use but I think I may be using it wrong. 1) How much should the tension be? I've heard theories of 1cm more than BPSFL and others that just say it should be taught. 2) At what point ... read more
X4 Labs Extender – How to use and progress?