Thanks for the replies
I figured there must be a reason(s) I've never seen these type used before!
I do actually have a rack, but my tow bar is only rated for 50kg nose weight
dadof2 - that looks like a good idea thanks.
Does anyone have any experience/thoughts on sideways bike trailers?
Like this:
I haven't really got space to store a conventional bike trailer, so I'm wondering if building something similar for the trials bike is a silly idea or not?