Staple gun. Tommi 7.4.2013, 22:40 Full size 1000 × 563 pixels Staple gun. Previous imageStapling the springs to the new back board. Next imageStapling in the cardboard strip. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Notify me of new posts by email.