If you’re Glen Plake, you can show up to a mogul run and ski it blind. If you’re not Glen Plake, you may need to stop at the top of the run and scout your line through the moguls, first. But how do you go about finding a systematic way through the chaos that is a mogul field?

“I look at the mogul,” says Glen. “Most people look at the hole between moguls. That makes it super confusing.” If you look at the high spots instead of the low spots, says Glen, you’re more likely to see where you’re going because moguls tend to be big, so they’re obvious markers.

“Moguls are big. We only concentrate on...