Tonneau capable bed rackrails?

t slot bed rack   Dan thunderstruck 2 slot game

slotted plate t , eccentric helical or spiral edged plate , between which and the lower plate , e , it is confined : said lower plate having depressions

Here are 2 photos of the permanent mounted bed rails These will stay in place all the time even if I take the load bed using the same bolt and t-slot nut In this setup, the bed rack rail will be between the tonneau rack rail and the side of the truck bed

serengeti kings slot Custom Set-ups Height Truck Bed Cargo Rack Extendable Truck T-Slot Attachments ; Quantity 7 available ; Item Number 305236824580 ; Brand Hooke Road ; Accurate Billie Bars Bed Bars For SilveradoSierra 150025003500 - Retractable Cover With T-Slots Billie Bars is an amazing off-road and overlading gear