Thought I would put this here, rather than in gear, because the racers will not be interested.
I have never had any need for a conventional anchor swivel, but our anchors do come up 'backwards' about half the time, and we have to swing them around with the boat hook to get them to come into the bow roller. This is awkward with a 50kg anchor. I have never seen anything that prevents/resolves this until recently. I just got an Osculati twist - which is basically a "bent link" that shackles to the anchor and forces (by gravity) it to turn 180 degrees if it is coming into the roller backwards. And then there is a swivel to prevent that 180 degree turn from twisting the chain.
twist.JPG 323.56K 190 downloads