720 - zip-pass
The big advan1tage of this pattern is, that you only need 3 clubs for passing. Difficulty is about the same as 5-club-one count.
Animation and diagrams (click for animation)
The sequence is actually zip-pass-empty_hand.
One person does diagonal throws, the other does straight throws.
Begin: A has 2 clubs in the right hand and throws a pass to the empty hand of B (e.g. with a diagonal pass). When the club is on the way, B reacts with zip-pass (e.g. with a straight pass). Both then have in sequence the actions zip-pass,zip-pass,zip-pass, … (that one hand is empty is usually not noticed)
Alternate start: A has on club in each hand and starts with pass-zip-zip (and then continues into the normal pattern with pass-zip)
Patterns to also try: