Peter Millard of this parish has done a few videos about making accessories for Festool track. Makita track is almost identical.
There's also an accessory sled available for Makita routers. It uses the fence bar sockets/slots on the router base. I'm fairly certain that both the bars and the spacing are identical to those on the Trend routers. Sneak into a Makita dealer with a tape measure...
All that said, however, I have a 4' quick clamp (the older Trend style that accessories don't fit on, sadly). It's ideal for quick straight-line routing, and by the time I'd have sorted out the railsaw track. I can fit it, make the cut and tidy up. I just have to remember to cut in the right direction - so the router cutter pulls the machine in towards the rail and not away from it (that's moving the router left-to-right along the rail, with the router nearest you). You could use the back of the tracksaw rail in the same way - rail clamps might be sensible for that, and I think Festool and Axminster ones are the cheapest (the Makita ones have oddly always been more expensive).
But I hope "inadvertently" doesn't mean it rightfully belongs to someone else ;-)
