The double lifter flounder spoon rig developed by Martin Liebetanz-Vahldiek triggers the aggressive competitiveness of flatfish and can result in a double hook-up. @AnglingKnots
Check out the easy to follow step-by-step knot illustrations in the publications:
Fishing Knots – From the reel to the hook:
Fishing Knots & Rigs:
The Fishing Knots Posters:
https://fish-and-bits.myspreadshop.co.uk/all
or
https://fineartamerica.com/featured/1-fishing-knots-andy-steer.html
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No responsibility in any way is accepted for incidents arising from the use of this material.