The streets are grimy that39s a fact ditches are even worse no matter what grip you run once it gets clogged up with dust dirt and asphalt grime you lose traction the flick brick removes all the grime from your grip and makes it like new no one likes to re grip an old board the idea is to set it up right and go to battle the flick brick is small enough to keep in your backpack measuring at 5 x 15 and good to go clean that grip keep that flick