Below are some instructional SPL Waterhousing Set Up videos with simple instructions for installing your pistol grips and ports to your SPL Waterhousings.
Check them out the first time use your SPL Waterhousing to make sure the port and/or pistol grip is correctly installed.
SPL Waterhousings Pistol Grip Installation
SPL Waterhousings Bayonet Port Installation
SPL Waterhousings New GP-Series GoPro Housings Assembly