Using both the gripper and your tightening key will secure the screw connection of your interchangeable. To use it just lay the extra grippy back side of the heart gripper around the tip and hold it while tightening with your key.
Help secure your interchangeable tip to cable connection by using these heart-shaped, rubber grippers. Take the “extra grippy” backside and wrap the gripper around the tip. Use it with the tightening key to help get a good grip and tighten the screw connection.
Package contains 2 hearts.