One player stands in the middle of the street, balanced on one leg with his arms crossed. All other players stand facing him on the kerb. The centre player now chooses one, and only one, to cross first. This player must now try to get to the other side of the street but must travel in a likewise fashion by hopping with his arms crossed. It is the job of the center player to crash into him with the aim of knocking him over/getting him to put a foot down before he gets to the other side of the street. If he is successful in this spoiling activity then the travelling player is captured and joins with the centre. Another victim is then picked. If, however the travelling player successfully gets to the far side undisturbed (or if the centre player falls/puts foot down) then all the other players must hop across at once. The centre player attempts to disrupt and capture as many as possible.
The game continues with more and more 'hoppers' becoming centre players and eventually a solitary winning crosser is left.
web: hopping increases bone density research
strange games no:167