Other than John McCain and his ilk, I can't imagine who wouldn't want knees on the ground. Judging criteria, meh, don't care as much about that.
Def need knees to grounded opponents, though. Should allow headbutts, too.
"Jetleleg time go to the beautiful street no mas vagas wait do tel tingindo brasileibho mmm se you l" - Wanderlei CÚsar da Silva
11/2 - MOLON LABIA