When you live in a residential area, you should mow your grass. If you don’t, the president of the homeowner’s association will probably break down your door. But in NASCAR, you let that grass grow. Don’t mow it. It will not end well.

Yet again, the . This time, it was with Brad Keselowski at Kansas Speedway. Oddly, the driver he was racing at the time of the wreck was another Chase driver, Denny Hamlin:

Earlier in the race, some non-Chase drivers, Aric Almirola and David Ragan, also demonstrated why it isn’t a good idea to mow the grass in NASCAR:

And there went Kurt Busch as well, another Chase driver who just couldn’t stand to let that grass grow, in the final seconds of practice on Saturday:

Stop mowing the grass, drivers. Save that for your front yards. Then again, if you’re going to do it, it’s better to do so with your car than with your body. . Ouch.