For $25 off your first purchase, visit https://bombfell.com/sciencegarage Bombfell makes shopping for men’s clothes quick and easy! You hear people say “all wheel drive,” and “four wheel drive,” and even that things are “4 by 4…” but what the heck does all that mean? From transfer cases and differentials to turning radii and binding, we get into 4x4/AWD drivetrains that will get you out of a bind! Check out more Donut Media Videos: https://www.youtube.com/watch?v=Pz8IGLgFE2s Some of our best videos ever are coming out soon, stay tuned so you won't miss a thing! ►Subscribe here: http://bit.ly/1JQ3qvO Like us on Facebook: https://www.facebook.com/donutmedia/ Click here if you want to learn more about Donut Media: null Donut Media is at the center of digital media for the next generation of automotive and motorsports enthusiasts. We are drivers, drifters, and car enthusiasts who love to tell stories.