This section is from the book "Sea Fishing", by John Bickerdyke. Also available from Amazon: Sea Fishing.
Ray's Liver is a noted bass bait in certain places : to wit, the mouths of harbours or the adjoining shore, where a good deal of offal from fishing boats, etc, finds its way into the sea. It is extremely unpleasant stuff to fish with, the more so as it is considered none the worse for being a little ' high.' A few pounds of it placed in a sack and lowered into the water from the rocks is believed to attract bass, and I have no doubt that is the case. It can be obtained from the trawlers.
Ray's Skin in strips is used in the same way as mackerel-skin, bass-skin, gurnard-skin, etc.
 
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