Kicking - (Soccer) Flick over the hurdles

The video tutorial demonstrates a drill involving flicking a ball over hurdles spaced one or two meters apart. The instructor explains how to use the top of the foot to flick the ball over each hurdle, emphasizing control and practicing with both feet. The goal is to master the skill without knocking over the hurdles.

Why is it important to practice with both feet?

What should you try to avoid while performing the skill?