The answer to that mystery is technical enough to curl your toes.

And it was a hard one, fully curling his toes.

Not one of them had managed to curl her toes.

A bit later, the girls were curling their toes inside their shoes.

The challenge is intense enough to curl your toes but not so hard that you'll throw a controller.

Then, push down and curl your toes; repeat 5 times.

He glanced down at his feet and curled his toes under.

I curled my toes, caressing the tops of his feet.

Chill air rushes under the door; he curls his toes.

If you press the ball of the foot, babies will curl their toes.