Hmmmm? Those guys who dont wear a Helmet, I guess they think "If they go down to the pavement", everythang' gonna' be Cool. I wonder why they can't see, that the old noggin, can't take the "knocks" like our Limbs.....a bad asphalt scrape on back of the head, requires mucho more healing time than scraping the elbows.....huh? bogee