I have currently configured as a single seat and use the platform of the second as a bikepacking carrying space.
Its a brilliant bit of kit that works well offroad as well as on road or towpaths.
I have a range of shims to fit all seatposts / droppers.
Pickup only from Disley - SK122DF
£375
WeeHoo Trailer by alexberry1, on Flickr
WeeHoo Trailer by alexberry1, on Flickr
WeeHoo Trailer by alexberry1, on Flickr