Extra weight in pail pulls cord ( I ), which opens and lights automatic lighter ( J ), setting off skyrocket ( K ), which causes sickle ( L ) to cut string ( M ) and allow the pendulum with the attached napkin to swing back and forth, thereby wiping chin.

Extra weight in pail pulls cord ( I ), which opens and lights automatic cigar lighter ( J ), setting off skyrocket ( K ) which causes sickle ( L ) to cut string ( M ) and allow pendulum with attached napkin to swing back and forth, thereby wiping chin.

0.004 seconds.