What do an Everest climbing expedition and your InstantEye batter’s backdrop have in common?

Beacon | Harken

Beacon Athletics + HarkenYour team is taking on the fearsome Kangshung face of the mountain. Now you’re staring at a nasty crevice, and you’re only going to make the summit if your winching system can get vital supplies across.

What’s the name on the pulleys that keep the supply rope gliding?