Yes they do.

I've tried all manner of trying to fix the slot system on my N20. The solid webbing strap that goes the whole length of the slot with fiberglass rod backing was the best system, but it even gave up the ghost over time. It would fray at each end.

So I said screw it, and filled in the slot on each hull with resin and filler, then drilled my own screw buttons and laced the tramp to it like all the new boats come with.

I was sick of dealing with having to relace my tramp every 6 months.