The JOINT LOCK Action Figure Joint Tightener Pen is designed to help collectors and enthusiasts maintain their collectible figures by restoring the grip in loose joints. This pen applies a thin coat of tightening solution to ball joints, pegs, and accessory ports that no longer hold poses securely. Suitable for various action figures with loose connection points, the product offers a straightforward maintenance solution. Users simply apply a small amount to the joint area, allow it to dry fully, and then test the fit. Additional coats can be applied sparingly if needed to achieve the desired tightness. This tool is ideal for preserving the condition and poseability of collectibles without harming painted surfaces when used with caution. It is a simple, effective way to extend the display life of action figures.