For those like me that had to Google it, "scrubbing" synonymous with "raking". That depends on the lock, and your skills. I've never managed to get the hang of

For those like me that had to Google it, "scrubbing" synonymous with "raking". That depends on the lock, and your skills. I've never managed to get the hang of it personally, but I've seen others take to it like ducks to water.