And you can see those fans or mouth brushes, that's what it uses to collect food.

NPR: Waging a One-Woman War Against Black Flies

Its DC motor means there's no regenerative braking, but he claims it's cheaper and allows owners to rewind the armature or upgrade the brushes.

ENGADGET

Whether they are recording information or simply creating beautiful forms, calligraphers brushes are used to ink five different styles of script, known as seal , official , cursive , running and regular .

UNESCO: Culture

The experience itself is captivating: almost without warning, a chimp brushes past you on the trail, several individuals become visible in a clearing just ahead or high above in the tree tops.

BBC: Search the