Simply slide onto the NATO rail with the safety pin and tighten the knurled screw. You can move the rails not only from left to right but also forward and backward to keep your camera balanced and find the equilibrium point of your rigs. The handle is equipped with two cold shoes on both the top and back, allowing you to attach lightweight accessories such as a microphone or magic arm easily. This handle features a thread pattern for ARRI locating pins, enabling you to attach ARRI-compatible extension blocks. The handle offers 1/4'' and 3/8'' threads for additional accessories. Additionally, it includes a 1/4'' hex key for quick tightening or loosening. It is very convenient when you need to improve the balance of your camera and rigs.