The most unsettling part is how the machine clamps down onto a patient’s arm to help keep it steady during the procedure. It obviously helps make the experience less painful, but it doesn’t do much to help stress levels if someone is already nervous about needles—or robots. On the plus side, it looks like this machine could be easily modified to be the world’s first home tattoo printer so you could get ink done from the comfort of your own living room.

via I’m Not Putting My Arm Anywhere Near This Blood-Thirsty Needle Robot.