The technology of pulley sports

Inline skating:

Rowing:

Stand firmly with both feet, lean forward, feet in a figure eight row, and finally push your right foot to the right first, Push your left foot to the left until the stroke slows down, then repeat.

Brake:

Brake, still lean forward, try to walk normally with your right foot, heel on the ground, and it will slowly stop.

Turn:

Use the heel of your right foot to turn left and rear.