Silly Site o' the Day

For years I've been in admiration of the hand clapping games played by schoolgirls. I tried Miss Mary Mack a few times, but admittedly could never quite get the hang of it. So I'd be absolutely flustered by this brilliant synchronization:



Suzanne Cleary and Peter Harding have an impressive resume and apparently a live show as well (although I don't see any show dates on their site). Via PZ Myers.