All The Safety Tweaks Keeping IndyCars On The Ground This Year, Explained

What on earth is a dome skid, and why is it such a big deal? Well, for one, we haven't seen the kind of massive airborne crashes at this year's Indianapolis 500 like we did last year. Racer caught up with polesitter James Hinchcliffe ahead of the race for a quick, clear run-down of IndyCar's new safety gear.