11-18-2012, 09:03 PM
A "slider hole" is just a gap in a wall that is 2-4 pixels, just enough for someone to slide through, but it requires finesse. They can be difficult for newer players though, so I think it's best to use them as alternate entry points to prevent runners from "vulching" I think its called, so mining and waiting on the other end of a small gap in a wall after being chased. =)