Hello, lock pickers. THIS IS FOR ENTERTAINMENT PURPOSES ONLY. DO NOT MAKE YOUR OWN TATTOO GUN. IT CAN BE DANGEROUS, AND HOMEMADE INK CAN BE POISONOUS You may be a bit curious how some prisoners got their prison tattoo (or presumably you do, after having typed “how to make prison tattoo gun” in Google’s search bar). You know that awful beard trimmer your aunt got you for Christmas that you never use because it rips hair more than cut it off from your face? Well, therein lies the main part of your good old prison tattoo gun: the motor. In...