KD Lazyboy 3 Ski TubeKD Lazyboy 3 Ski Tube The KD Lazyboy 3 is a 3 person dual directional couch ski tube that runs either as a sit back couch or a kneeling chariot depending on which end you tow from. Heavy duty webbing tow points sit at the front and rear, so riders switch between the two configurations without re rigging the tube. A gusseted base relieves stress on the seams, which is the first failure point on most multi rider tubes under repeat loading. Triangulated