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CONCORD, N.C. – Every Thursday, we're going straight to the experts all across the Hendrick Motorsports campus to get your questions answered.

From drivers and crew chiefs to engineers, mechanics, pit crew athletes and more, every department is chipping in to answer fan questions sent our way on social media using the hashtag #WhyDoYouDoThat, with a new video posted each week.

This week, shop interior designer Brian Davies explained how crew members can help drivers get settled into the race car before race time. 

Since the last time we checked in on the series, we've also gotten questions answered by setup mechanic Erik Boyd and design engineer Rob Metzger.

Check out some of the other recent episodes below and catch up on all the videos on the "Why Do You Do That?" playlist on YouTube.