Hasn't Freeman named them in his video of his trick compilations? using apostrophes for your non prime hands like charge 11'. or in the case of alucurds video in his first trick it's sonic 14'.

http://www.youtube.com/watch?v=HPCoWqYHXTE

By the way should eso's concept that he came up with be classified here as well 'cause it uses 1 pen with both hands

http://www.youtube.com/watch?v=BhLd29_NEWc