There was this thread on cboats dot net with some early test results:
I think there might have been a follow-up thread on the same forum but I couldn't find it with a quick search. I remember reading something elsewhere as well, but I don't recall the venue at the moment.
I do know a number of open boaters who have been quite happy with the product for non-whitewater use.
EZ-Dock modular docks
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