Bulldog Cases thumb release Series ergonomic design and thumb release system offers a smooth, natural draw. The unique design of the attachment system allows the paddle to be use as an inside the pants paddle or a belt retention clip by inserting or removing the to provided screws. The included (optional) "quick release adaptor" can be used to adjust the ride and draw angle of the holster. It also allows the quick release of the holster from the paddle without removing the paddle or belt. We are certain the thumb release Series will become one of the most trusted and comfortable rigs available..