What fits in the t slots on the cargo crossbars? : rRivian

Thule Fit Kit 3101 The OEM rack is Thule, so it fits perfect the only challenge is you can't attach from the the slot opening by the window,

Then when you don't need them, pull them out until you do For work or SmartCap Load Bars are universal roof rack bars designed for mounting tents

tempat 88 slot T-Slot Slats, Running Front to Back; Semi-Elliptical Bottom Cross Braces To Reduce Wind Noise; M6 T-Slot Around Top Perimeter With Rounded Top Edge; 5 Lengths

thr777 slot roof The material that made it possible was a slotted aluminium profile often called T-Slot or 8020 The system I came up with consists of