I've got too much stuff.

'S' Hooks......hook over the side rail and one each end of the fender, and they hang horizontally under the rail.....Simples !
Now there is a thought.
If they had some sort of “clip” function as I would be concerned that they could jump off.
Each end having a different length for different height placement
Losing them would be my main concern there; to be useful they would have to be outside the rail. I'll have another look tomorrow.
 
Losing them would be my main concern there; to be useful they would have to be outside the rail. I'll have another look tomorrow.
This will annoy you.

my windlass packed up. It was £850+vat just for the parts to mend it. And my 10mm chain was rusty too. A new one from Jimmy green was £1400. Plus the chain.

I went into my local chandlery and they had a new windlass and 30m of 8mm chain for £950.

8mm is fine for my boat and the anchoring I do so swapped size and fitted all new, splicing on 30m of rode.

The space freed up in the anchor locker is astonishing. The fenders now fit in there.

I know they won’t fit it yours. Sorry. I did say it would be annoying.
 
This will annoy you.

my windlass packed up. It was £850+vat just for the parts to mend it. And my 10mm chain was rusty too. A new one from Jimmy green was £1400. Plus the chain.

I went into my local chandlery and they had a new windlass and 30m of 8mm chain for £950.

8mm is fine for my boat and the anchoring I do so swapped size and fitted all new, splicing on 30m of rode.

The space freed up in the anchor locker is astonishing. The fenders now fit in there.

I know they won’t fit it yours. Sorry. I did say it would be annoying.

Bad luck on the windlass :( my boat has 8mm chain, should be fine I think.

My anchor locker is microscopic. I couldn't get a deflated condom in there.
 
Speaking about Dilbar, if I’m not mistaken there were 2 Lurssen yachts with this name for the same owner (Alisher Usmanov), and 1 66m from Oceanco.
First small 110m version of Dilbar from Lurssen was later named ONA after his mother.

launched in 2008
And now it’s sold to royal family of Bahrain and named Al Raya

Fulk video of Dilbar docking in Barcelona
 
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