T-Slot bed racks for RTT : roverlanding

Hey guys! I was trying to search the forums for making a custom T-slot framing similar to the xtrusion set up on the link below

t-slot Load Stops integrate with our new truck collection HD Bars, and most T-slot

thai flower slot Each U-Shape Bracket is jointed with Two Carriage Bar comes with a Steel Bearing on each end; built for heavy-duty purpose

tslot milling cutters rack is advertised that it sit on the bed sides NOT using a bracket to go around the tonneau cover The xr has t slots so that I could attach yakima racks