Hello Lock Pickers. THIS IS FOR ENTERTAINMENT PURPOSES ONLY - DO NOT MAKE YOUR OWN TATTOO GUN. IT CAN BE DANGEROUS - AND HOME MADE INK CAN BE POISONOUS You know that awful beard trimmer your Aunt got you for Christmas, that you never use, because not only does it less cut the hair more rip it from you face - well therein lies the main part of your good old prison tattoo gun: The Motor. In years gone by you'd use a Walkman motor, but since they are no longer made (and honestly, being seen wearing a Walkman cassette player...