This is a useful transitionary move, (not really a stand alone move as such) often used as part of a routine to add flashiness, or to break up a bout of 'Jiveblock' - the condition where a dancer ends up dancing the same few moves in succession and temporarily cannot think of anything different to break to sequence. This often occurs when a distraction has completely taken his mind off the routine, and once it happens, it can be difficult to get back to the .. ermm. program