A former resident of Brooklyn, NY, Benincasa, now in his 80s, lives in Las Vegas. He has relearned a one-arm chin, despite a lack of muscle tissue - he credits his latest achievement to "strong tendons and ligaments" and a diminished weight of approximately 126 lbs. The photo to the left shows Jasper doing what he called a "CTI" (Close To Impossible) - a levered position that seems to defy the principles of physics, clearly requiring a phenomenal grip. He said he held it for about 3 seconds.