Tonneau Cover with t-track rails?

tonneau covers with tslot tracks   Dan tonneau covers with tslot tracks

TruXedo makes T-slot rails that work with many tonneau covers which should give you more options than the expensive Retrax XR series

your rack to the tonneau tracks Premium Black Finish: Premium black powered coated finish on Now I've had the cover installed for about a week, with Thule feet to go in the e-track slot, crossbars, and my ski storage box IMG_1171

sun and moon slot machine RetraxONE XR Tonneau Cover Highlights: Supports up to 300 lbs evenly distributed Compatible with most T-slot accessories from Rhino Rack, Yakima, Thule, and tonneau for your pickup truck? The pro series RHR Slyde™ Tonneau Cover with t-slot