Tonneau + T-slot tracks + Racks combo ?

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I saw a more simple T-slot sliding truck bed at crafty amigo, but since it's a 3D design I can modify it! You just gave me the idea of

New ! Roll -N- Lock with new T-Slot rails on Nissan Titan Review by Chris from C&H Auto rails 4 at or about the ends of the bars 3 clear of the fish

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