I can't help with the RV but I will tell you that IT WORKS for my chronic low back pain. Also works with Restless leg syndrome, and Migraine's.
My Dr tells me I am a prime Canadate for it and hopes someday it will be legal state wide.
1982 Pace Arrow 30ft.
KarKaddy SS, Toad:99 Concours
Lilly and Rubie Our 4 legged Kids & Tim & Joe