Smooth gliding feet You can forget sticky workarounds¡ªthe low-friction polytetrafluoroethylene feet glide effortlessly across almost any surface. A perfect fit These genuine Logitech replacement mouse feet are precision cut to fit your mouse perfectly. Replacement mouse feet for the extreme gamer or the technical professional Features of the Mouse Skatez: * To replace existing (worn, damaged or lost) mouse feet * For gaming-optimized response * Reduces the friction between the mouse and mouse pad * Provides a smoother gliding experience * Increase the tracking accuracy * Made of 100% Teflon ,Smooth Glide Ensured. What are mouseskates? they are the slices stuck to mouse feet to decrease the friction between the mouse and the mouse pad. furthermore, they help to protect the original mouse feet and the mouse pad,saving you the expenditure of replacement. What's special about houxian zero friction? zero friction series from houxian technology are specially designed for professional gamers.the unique material guarantees that the coefficient of static friction and gliding friction are almost the same, which means no abrupt change of feeling when you suddenly start to move the mouse or stop it . and therefore,you may play smoothly and more accurately.