The SLIK I-Bracket is a universal Arca-compatible bracket that is mounted under the camera. It is a unique I-shaped plate, but can be installed in both the horizontal and vertical position on the tripod head, which conforms to the same standard. The position of the camera screw can be moved and the plate adjusted to secure the rim to the camera body so that it is firmly attached to the camera. Tested and compatible models: SONY α7IV、α7III, CANON EOS R6、R5, Nikon Z6II、Z7II.