If you feel the feet under your mouse is getting worn and you would like to renew the fricting so you can once again get an optimized glide, you might want to give SteelSeries Glides a try. Made out of a pure Teflon compound, the SteelSerie s Glide G are applied to the feet and will instantly improve the gliding experience a lot. Fits any Logitech G-series mouse. Last for months even under heavy use.