The Jackdale Brothers and Joan are seen here practicing on the beach in bikinis. These amazing acrobats have power and coordination in abundance! Watch as these beach babes practice landings and throws we’ve seldom seen (and never in a swimsuit). One of the brothers is known to have been a trainer in the Army, which explains how he’s so strong. But, what about Joan!? Can you believe the way they throw her around? And she handles it with such grace and strength! Check it out below.