As most of you have probably noticed by now, I have two great failings professionally.
The first is that I struggle to finish projects. Before one is finished, there are at least two more in the pipeline.
The other one is that iff there is a well established way of doing things, I just have to keep fiddling until I find a less obvious way. Modesty says that the disadvantages often outweigh the advantages, but at least there is always a reason.

My rocksliders are not the prettiest, but they are seriously strong, and give a good sliding surface so that you don't get hung up easily. The sliders are made from 75x40 channel iron, with the hollow at the bottom. The ends are flared for looks and a piece of 40mm square tube is welded to each end, the intention was to use these as hi-lift points. The mountings are made from 40x40x5 square tube and 60x8 flat bar. They are mounted in three places. The front and rear mountings incorporate mounting points that bolt to the body mounting points: The reason is that this is the place where the chassis is closest to the edge of the body, thus reducing the length of the mounting arms. These are also the points that are longitudinally closest to the wheels without interfering with the suspension, so that the sliders are supported as well as possible close to the wheels where I want to jack.
There is also a middle support, but tjis is just a cradle around the bottom of the chassis member and doesn't have any bolts. I have had the one slider on for several months, and have purposefully abused it several times, noticeably at Rust de Winter's bundu trial, and it show no damage. So this weekend I closed the gaps where the channel was widened, made the second one, painted and installed them.