Sofa Fun
I’ve been into self bondage for several years, and my wife knows I do it - she is okay with it, and even helps out from time to time. I’ve used many techniques - you can see lots of them here - my current favourite involves an electronic timer safe I built - if you’d like instructions, it’s dead easy - drop me a mail - I can even send you the components name and cost if you are in the UK and know who RS Components are! ...