Audio is low on screener Handcuffed swimmer Jack La Lanne (Jack LaLanne) makes it to the mainland from Alcatraz. It's legal, of course-and an astonishing feat of skill and endurance. Establishing shot - Alcatraz and Jack La Lanne oiling up for a swim. CUS - The skipper of the boat hand cuffs Jack. CUS - Jack dives into the water hand cuffed and does sort of a breast stroke. CUS - Jack makes it in 55 minutes and the spectators applaud and welcome him.