Here’s a store that sells bunch of anti-slip stickers and above is being applied to a skateboard.
It probably won’t make you nollie better but heck, there’s many uses for these stickers where you can slip easily.
Subhead Anti-Slip Stickers help avoid the very real and un-funny problem of slipping and falling. At sea or on land, help to protect your family, friends, and employees from injury.
via make, Product Page
Other interesting stuff at Zedomax.com: family friends, heck, sandpaper, skateboard grip tape, stickers
Check out more interesting categories: Consumer, Featured Sports, Gadgets, Home, Misc, Skateboarding, Sports.