The different stages for fitting a Gopro camera on a surfboard are :

Step 1: Remove the wax from the part of the board where the camera will be fitted.
Step 2: Fit the leash onto the housing.
Step 3 : Stick the adhesive onto the 2 supports (leash and Gopro)
Step 4: Stick the 2 supports onto the board at the desired point
Step 5: Attach the leash to its support
Step 6: Fix the Gopro to its support