yes they do all the time. have you never watched good skate videos? JT Aultz in 88's - destroy everything now back feebles a double kink. they get 5050'd all hte time. in toy machine - good and evil josh harmoney does 5050 switchup smith on a flatdownflat. alot of times the get disastered aswell. for instance erik ellingtons 2nd last trick in baker 3 - gap backlip on flatdownflat. and in transworld - first love leo romero gap frontlips a double kink and backboards a fdf in a line. just to name a few...