A vital tool for Professional Locksmiths is a plug spinner or lock flipper. A plug spinner is used can if a cylinder is picked in the wrong direction, or if picking requires the plug to be rotated in one direction and then flipped. Sometimes the lock because of wear or manufacturing it will be be easier to pick in one direction. The plug spinner will spin the plug when picked and move the lower pins across shear line without having any drivers drop into lower chambers.