Get some crossbars for open siderails like these.
Didn’t check or try these yet but it’s from Amazon so free return
https://www.amazon.com/AmazonBasics-2-Piece-Universal-Cross-inches/dp/B083T53K3P/
Amazon Basics Universal Cross Rail Roof Rack, 52 inches,Pack of 2 https://www.amazon.com/dp/B083T53K3P/ref=cm_sw_r_cp_apip_1rKKLZZ1fXMmW
Amazon Basics 2-Piece Universal Cross Rail Roof Rack, 52 inches https://www.amazon.com/dp/B083T53K3P/ref=cm_sw_r_cp_api_glt_fabc_990N6GT225B3CYHNCY7W They seem to be outta stock. Also I had the name wrong.