1. Dual Arca-Swiss design with quick release plates on both the base and side of the L-Shape Mount Plate, enabling smooth transition between landscape and portrait orientations on tripods; 2. Three-point locking system ensures stability and prevents twisting by securing the camera with a 1/4"-20 screw at the base, a locating block, and the left shoulder strap ring; 3. The locating block features a cold shoe mount to maintain stability with no side plate deformation while vertical shooting; 4. The side plate extends by 22.5mm for convenient cable routing in portrait orientation;.