Connelly Triple Threat Ski TubeBuckle up with your crew and hold on. Connelly Triple Threat Ski Tube Buckle up with your crew and hold on! The Triple Threat is a partially covered, three rider cockpit style tube constructed with a rounded bow for effortless starts, large side gussets for extra stability, and a low center of gravity for a safe ride. The large squared off stern keeps the Triple Threat stable on turns and in rough conditions.