And not all keymod mounts have the proper lug to ensure it stays on.
Proper mounts, proper installation and keymod works but Mlok sure is simple.
That said, I bought the BCM ladder panels for my KM rail and they sure give it a good texture without adding bulk. That was my only gripe with the KMR, it was slick.
I like the BCM KM panels, but mine sheared of plastic while installing. They held fine, but they'd be trash if I removed them. Definitely gives it a nice feel.
I have Ergo on another rig and they are a bit bulky, but I kind of like the rubbery feel.