Secure, and fast tying knot for attaching a hook or fly.
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Double Davy Knot Details
Origin: The original Davy Knot, created by Davy Wotton, derives from the Double Davy Knot. The goal was to create a knot that is easy to tie in a short amount of time. It should be simple, but also more secure in some situations.
Tightening it: Like the Davy, the tag end must lie against the eye under the knot. If the tag end slides away from the knot towards the center of the eye, the knot holds much less well. Davy warns against gripping the tag end with your teeth. It can lead to bacterial contamination.
Relative Diameters of Tippet and Eye Wire: When the wire diameter gets larger, the Davy Knot tends to slip. So, anglers choose the Double Davy Knot instead.
Advantages: Researchers have tested the Double Davy Knot against other knots. Matt found the Non-Slip Mono to be the strongest. Still, the Double Davy Knot performs well. It is stronger than other knots, including the Davy. It keeps a small size, like the original Davy. You can tie it in a short time, even with cold fingers.
(Reference source: animatedknots.com)
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