If you're looking for a new clip cord to connect your tattoo machine with your power supply, we have a large variety of tattoo cord choices for you. Clip cords deliver power to the tattoo machine. A tattoo machine will run either way you connect your clip cord to it, but you should take care to connect it the right way. Standard cords have a jack to plug into the power supply and a clip cord on the other which connects to the machine. Tattoo clip cords are used for coil tattoo machines to power up the tattoo machine for use, clip cord style consist of two metal prongs that connect to the back of tattoo machines.