On the coast of Maine the big schooners use fisherman anchors routinely, as do quite a few sailors, because of their reputation in both kelp and rocks, and tolerance of shorter scopes. With the giant anchors on the schooners, when they retrieve them they have a big metal hook, like a fishing gaff, attached to a block and tackle from the mast. When the anchor is within reach, somebody reaches down over the side to place the hook on the anchor's shank, near the flukes, and then they start hauling the anchor up. Describing it now, I don't know why the hook doesn't slide up the shank, but in the round of this that I got to watch clearly, it didn't. Then the anchor was easily pulled up on deck with the block and tackle.
A fellow who sails a 22 foot cruising catboat with no engine, for trips of 1 to 2 weeks on the Maine coast, told me that the fisherman is the only anchor that will hold in "popplestone," large round stones, as big or bigger than bowling balls, that form whole beaches and cove bottoms in this area… I haven't tried it yet, because I'm still working out the retrieval process on my own boat, likely to include something like that big hook, and an informal cargo boom (to keep the anchor from bashing the topsides) and block and tackle at the mizzen mast. Looking at cockpit storage, because I don't want to put all that extra weight at the bow of such a small boat…
Regards,
Shemaya