There is a move on Breakdance.com, it has eluded meeh for a while, you do the normal helicopters, but your bring your leg around, and as soon as you swing it, you jump in the air, holding the same position and swing it again. I also saw another variation of helicopters on a Tribal Breakdance video. A guy basically did a sideswipe out of his helicopters.
Even though the coffee grinder is an ideal move for tripping people over, it also allows a huge opening for your opponent to strike your head. So i advise you only use this move if you are sure he wont be able to attack you while you crouching and make sure you are very quick at executing this move.
You Just HAVE TO GET ON GROUND AND SPIN YOUR LEGS SEPARETELY (THE MORE YOU CAN, BETTER IS THE MOVE) FASTER AND STRONGER AS YOU CAN. WITH A LITTLE PRACTICE, IT'S VERY EASY.
geez about how many on these posts actually use these moves for "acrobatic martial arts"?? come on--no way in hell could you ever actually trip someone with a cofeegrinder--half of these moves are bboy moves anyway. cool ideas here tho.
i agree w/ nickbreaker. HOW THE HELL cud u trip su m1 w/a coffee grinder. it's a bboying move! geez, u cud MAYB trip an old, senile, crippled person in their 80's