have a problem on Ninja Gaiden Sigma

how do i change the game difficult?

when i press "new game" the game should asked my for game difficult..

how i use in the sixaxsis controller on the game? i hear thet ican ..

and more one question, i wear bracelet and i wish to remove it from the hand, how i do so?

Beat the game on normal to unlock hard

Shake the controller to charge up your ninpo

i think you can only swap braclets