The EVA1 Top Plate has a built in Z-Rail perfect for adding the Zacuto Top Handle or Recoil Handle. Or if desired, you can reattach your Panasonic camera Handle to the plate. The top plate has a multitude of 1/4" 20 and 3/8" 16 screw holes for mounting various accessories. At the back of the plate is a 15mm rod port for a Zamerican arm or other 15mm accessory- perfect for relocating the Panasonic LCD on an articulating arm. If you need to attach top rods to your rig, you can add 15mm Z-Locks to the top plate for top rods.