I tapped these holes for machine screws, but you could just as easily use nuts to secure the screws. This worked perfectly until the very end when I wanted to put on end caps. They are much cheaper than a regular fucking machine but lack power and break relatively easily so only go for one of them if you cannot afford something better. Sex and Fucking Machines are expensive pieces of equipment and as with any type of product out there the marketplace is filled with everything from junk to amazing bargains. This is easy to do as a hole is already provided for this purpose on the chassis. Review these diagrams for an overview of these two systems and their parts. E-stim units can provide a multitude of sensations from the fluttering of butterfly wings against your skin to full blown muscle cramps and everything in between. Prior to this, I broke a lot of them. The moral of the story is to check your wiring with a multimeter before plugging your new machine into the wall. When possible, I source surplus and used motors with interesting specs and offer them on this page at a good price. It takes a surprising amount of force to drive a dildo in and out of an orifice especially if that orifice is in mid orgasm and contracting like crazy. I am talking about the Drill-do and Fuck-saw here, you can buy adaptors to fit on a drill or reciprocating saw to allow you to fit a dildo onto them. He may be contacted at: Does not include any motor, nor a dildo. Read the section below about "Selecting A Motor" for a bit more information. Although Vac-U-Lock dildos and toys were relatively difficult to find, they is a wide variety of toys, adaptors, and accessories available today. Electro Stimulation Machines In a nutshell, E-Stim or electro stimulation, also known as 'estim', 'electroplay' or ' electrosex ' , is the use of electricity to provide extremely pleasurable sensations in your body.