Piled moorings

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Just been offered a piled mooring on the Hamble river. Been waiting for several years so keen not to turn it away. Only concern is they say they put two boats on them. So no pontoon between the piles just two boats in essence raft up to each other. Both have bow a stearn lines to the piles.
Does it work. Sounds a bit more hit! Than Miss to me. How many fenders would you suggest for two 10 mtr boats?
Steveeasy

I recognise you are having contradictory advice (welcome to the internet!!) but my concept would be these.
Takes away stowing and towing problem, and you can have fender socks made to suit.

Inflatable Boat Fenders Easy Store