heads up u.s.a. football, thank you.it teaches them how to enter in to the point of contact, without making contact. so when you talk about attacking the hip, which we teach in football, it is that exact point. bent needs, heads up, eyes a the the point of contact on the hips. obviously on the shoulder when do you play tackle. that's what we teach. that's why i think flag is important because it develops the mechanics of how to tackle. there's other things that need to be implemented. thing are courses that need to be taught. i think the coaches need understand at the youth level. how do you teach kids how to play tackle. how do you teach them eighth and ninth grade? how do i teach a kid how to tackle. that goes back to basic old school mentality. some of the coaches that talk about us how to tackle properly. that will help improve some of the safety of the game and keep kids from using their heads. >> got you. sean, documentary film maker, you're making a documentary now on football; right? i don't know too much about i