So they tried to make something to protect their feet.
They had not yet learned to make shoes and stockings, but they had often bound grass about their feet.
They had even learned to make braided grass sandals.
They braided the grass, then sewed it.
Braided grass sandals were good while they lasted, but they soon wore out.
“They made new sandals of thick, tough skin”
So they made new sandals of thick, tough skin.
Part of the way was through thorny thickets, so they needed something to protect their legs.