Mount Yakima Highroller to T-Slot?

Yakima SmarT-Slot Kit 1 Roof Rack yakima t slot adapter Smart-Slot Kit 1 from Roof Rack World is a versatile solution for attaching accessories to your roof rack, compatible with most crossbars and T-slotted yakima t slot adapter T-Slot Adapter For OffGrid Cargo Basket Add the SmarT-Slot™ Kit 3 to the OffGrid™ cargo basket or DoubleHaul™ rooftop fly rod carrier for an even sleeker

yakima t slot bolts Yakima SmartT-Slot Kit 5 T-Slot Adapter for TopWater - Add the SmarT-Slot Kit 5 to the TopWater box for an even sleeker profile on T-Slot Crossbars