Mild or wild! sportstuff's pop a wheelies deliver both! connect the Kwik connect to the mild tow point (front) for a conventional tube ride. Connect it to the wild tow point (bottom) for a wild ride. In the mild position the tub e stays pretty flat on the water and ef fortlessly crosses the wakes. In the wild position, the front Lifts up and hence the name pop a wheelie! little ones will enjoy the comfortable backrests and "Cadillac ride". teenagers will have the time of their lives popping wheelies around the lake! rugged double stitched nylon cover and heavy gauge PVC bladder. Patented speed safety valve for the ultimate in inflating and deflating convenience.