The REMLR Website can be found at http://www.remlr.com
I don't know for sure but its got to be possible to get extra slant on the driver seat backrest on a wagon (the backrest seems to be restricted on my FFR -If I shift the seat toward the str wheel to achieve more backrest angle then the leg space is a bit short).
Top photo of 48964. Looks like the clearing is just a rock.