In practice, two in one, in fact this solution we combine a camera bracket Avant type Roll to a call Call-fish, everything has been designed not to interfere in any way with the operation of the release of the line, of course, you may be mounted to right or Left. 
The arm of the bracket you can steer in the desired position and the closed position, the camera will arise exactly behind the mechanism, facilitating transport, the release system of the arm and easily operated from the grip of steel, naturally attacks are varied and for all cameras on the market. 

*Made specifically for ERMES triggers. But can be adapted for any wooden gun*