If you cure eggs with a wet cure (scents, dyes, oils, etc.), take the eggs out of the cure when done. Then you have this liquid of salmon egg goo, scent, oils, and dye. Put you prawns in this mix. Tada! Super Shrimp!
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They say that the man that gets a Ph.D. is the smart one. But I think that the man that learns how to get paid to fish is the smarter one.