December 10, 2020. "On the Mark" podcast host, and noted golf instructor, Mark Immelman shares a daily tip to help you improve your golf and lower your golf scores. The tips are simple, easy to understand, and most importantly easy to apply. Advent Tip #10 is a tip (with a drill included) that is guaranteed to improve your bunker play. It addresses clubface alignment through the swing, angle of attack into the sand and speed of the golf club through contact.