Watch 123Movies. Straight from 1998, own the videos that started a revolution! Witness America's strongest rock climbers, Chris Sharma , Joe Brooks, Dave"Strife" Struthers, Chris "Lick" Lindner, Tyson Atwell, and more crank to new heights. Climb with the crew and hold your stomach as 'crazy man' Mario Bouchwald attempts to drink one gallon of milk in one hour. There is only one rule, 'keep milk in stomach'. Inertia features a soundtrack like no other climbing video ever made... a good one.