Kids play blob-ball soccer. They clump together. They don’t spread out. And they don’t stay with people that don’t have the ball. And thus, 55 kids cannot stop 2 pros.

https://www.youtube.com/watch?v=XICoCI20o-E

If your kids learn the concept of spacing by the time they are 5, they will be the leading goal scorer and goal stopper on their team.

Also, for good measure, fencing against a crowd:

https://www.youtube.com/watch?v=PgKg0Hc7YIA

Crazy Japanese.