I clean my pins often. A quick spray and wipe down every 100 plays and when the wax feels like it need a refresh a little goes a long way. I have sold some HUO games with 1500 plays where the shooter lane doesn't have a single mark or spot. Literally looks like it came out the box last week. Clean with a good non alcohol spray cleaner nothing harsh and use mothers wax with a micro fiber cloth. Stay away from Novus cleaners. These are used more for games that are in the wild and get 4k+ plays on them and need a good deep cleaning.