I bought this shelf in 2018. I always get nervous carrying two kayaks on it. I have Pelican Kayaks 10ft. Last summer the kayaks came loose and wobbled a lot on my roof. I had a piece of rubber slip off last weekend, or it was just sitting on top of my Rhino case and just hanging on my belt (which was tight when we went). I don't know that the boxes have to face each other (which looks ridiculous) but boy I really don't want to lose my kayaks going down the road. Kayaks are not cheap and that would be humiliating. I'll look for something else. Too bad I probably can't get my money back for this or send them back at the moment. It's not worth worrying about. J-beams are safer.
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