I was thinking this too. Wide PVC plumbing pipe with joints for the angled sections, just for the water filled sections. The person is wrapped, arms up, and pu

I was thinking this too. Wide PVC plumbing pipe with joints for the angled sections, just for the water filled sections. The person is wrapped, arms up, and pulled at speed through the pipe via a rope attached to some kind of harness attached to the waist, legs and feet.