Rubber accessories like the rubber grommet, rubber nipples and rubber bands are accessories used in the tattoo machine for its stable functionality. The rubber bands are overlooked as a contributor to running problems with tattoo machines but, in fact, they play a huge role in keeping your machine running smooth and efficiently. Tattoo rubber bands are used in the machine to hold your tattoo needle in place while the tattooing process. Sometimes when running the tattoo machine in speed, the needle falls out of the armature bar. But using a rubber band you always hold the needle in place and work conveniently. Therefore, accessories like these are a must-have for all standard tattoo machines.