Everybody has a couple of favorite crawfish-colored crankbaits that they rely on at various time of the year, but MLF pro Brandon Coulter has a slightly bigger, broader view of “crawfish color science” that covers the entire calendar. In this Major League Lesson, Coulter details when and why he adds blues, oranges and dark greens to his classic reds whenever he’s fishing a Berkley Money Badger, Berkley Frittside or other crankbait in winter, spring, summer and fall.