WEDGE VS. S-MOUNT We get asked a lot about cuffing in S-Mount and even though there may be some pros to cuffing in that position, there are also some issues that are present and why we are not a fan of it. With S-Mount size and strength of the suspect play a significant factor and if the suspect makes an explosive movement you can easily end up on the bottom. By wedging the suspects arms under your knees/thighs it prevents the suspect from being able to build a base or make an explosive movement