Jerry Seinfeld said it best: "Now why did we invent the helmet? Well, because we were participating in many activities that were cracking our heads. We looked

Jerry Seinfeld said it best: "Now why did we invent the helmet? Well, because we were participating in many activities that were cracking our heads. We looked at the situation. We chose not to avoid these activities, but to just make little plastic hats so that we can continue our head-cracking lifestyles."