The Custom Brackets Anti Twist Pins are designed for use with the Tilt Head supplied as part of the Custom Brackets SteadyPod they give extra security when attaching the head to the monopod.
Custom Brackets CBGLA Anti-Twist Plate for GLM-2
Custom Brackets Pan and Tilt Head with Custom Brackets Quick Release
Custom Brackets RF-Pro AS Rapid Fire Rotation Bracket with Arca Swiss Type Mount
Custom Brackets FM
Custom Brackets RF-C2 Connector
Custom Brackets CB Mini