Instructional film about a mountaineering technique to prevent falling. Narrated by Jim Whittaker, who describes basic self arrest positions, common...
Presented by professional yo-yo artists and comedians Dick and Tommy Smothers, they showcase the fundamentals of yo-yo basics to get started, tricks,...
Made in the 1970s by the National Highway Traffic Safety Administration, this film presents a study of the efficacy of motorcycle helmets, by looking...
