Skills like these cannot be taught--they are a gift.
I did this one time in a snow mobile. I'm doing better, still learning to walk on one leg. I've earned the respect of many and the nickname, "Hoppy."
I've putted out of many a bunker. Hard sand and a low lip invites the flat wedge to find its way into the bunker. Putting out of a bunker is one thing that is impossible, from my experience, in WGT.