It uses four or five fingers on the right hand to rapidly strum the strings, by flinging a succession of fingers away from the palm of the hand. ... Now flick out your index finger, then middle, ring, and pinky in that order. This technique is unusual in that it can be practiced with no guitar at all.
Is anchoring your pinky bad?
Self-Testing for Realizing Why Anchoring is BAD:
While it's ringing, put your pinky on the pick-guard.... ... They are MUCH, much more free and relaxed feeling without any anchored pinky - aren't they! In Summary: Anchoring at the pinky changes the guitars tone for the worse.
Do classical guitarists use their pinky?
In classical guitar music, we do occasionally use the little finger. Not often, but sometimes. And it's more likely in advanced music. Using the right-hand little finger generally falls into the category of “special effects”, or special techniques.