curve to tighten and tighten it. I have found that grasping the buckle with one hand, grasping the free end and pulling in opposite directions creates the required tension on the strap. The only issue I have is the extra length of the strap. I think I know how to trim it from the buckle end of the strap. It's really hard the first time you use it, but I know it will only get more pliable and softer over time. stop. I was tired of having to adjust the shutter every time I got up or moved. This belt is well made, durable and the packaging was impressive. Even to keep your pants on? One of the best parts of buying is going to buy another.