Remember, the topic is basically a question as to whether kayak cradles add any significant advantage to strapping the kayak directly to the bars.
I'm not sure that cradles attached to the bars adds any safety re the kayak being blown off the vehicle. The same straps will still go around the same bars. In fact, the additional cradle attachments and gizmos probably add more points of potential failure -- though I think the whole issue is rather marginal.
Kayak Deck Gear Bags
Pull-Up Strap Handle Kit
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