You're only as tough as your weakest link. The stubble is also good for your toes. Pokes up through and scuffs them up.
Other good surfaces to toughen the arches. Soft dirt (where you will sink in about 1-2 inches) with lots of debris - rocks, sticks,roots, hiking on lava rock, and our nemesis - gravel.
Other good surfaces to toughen the arches. Soft dirt (where you will sink in about 1-2 inches) with lots of debris - rocks, sticks,roots, hiking on lava rock, and our nemesis - gravel.