The 1/4"-20 threaded Mounting Knob can be used in a variety of ways. It can be used as a replacement knob to attach your camera to your Scorpion or Scorpion EX. It can also be combined with our Accessory Wing to mount multiple items to your rig. Our unique design provides a great deal of flexibility ensuring you can always customize your gear to fit your production needs. Keep a spare on hand and always be prepared.