WowWee's Elvis Alive to The Elivinator Project

Step 55 Jaw Piston Attachment

Next let's install them to the face. Use 2 washers on the jaw and one washer on the cheek and drill a small hole where you want to place the piston. Once you find a good spot that you like install a small self tapping screw into the jaw washers and the cheek washers. Check and make sure that the jaw piston will extend all the way down and will move with the mouth, if not re-adjust the location. See photos below: