Thanks!
I'd say kendama is the one I've taken to the furthest level.
As for being a pro at [whatever]... I consider that to mean that you get paid
[1] to perform/demonstrate/teach it. So therefore I'm a professional... club juggler, hat juggler, ball juggler, fire juggler, staff spinner, knife juggler, ring juggler, contact juggler, poi spinner, yo-yoer, compère, etc etc.
So far I think I've only had travel expenses for doing kendama
[2], so the jury's out on that one. (Do the books count?)
