Source: GAIA
How to tie the Davy knot
The Davy knot was created by Davy Wotton and boast an extreamly high breaking strength. It is used for tying the fly onto the leader and it is much smaller than most other knots so it does not impede the action of the fly as it swims in the water. Furthermore, there is less waste with a Davy knot, unlike a blood knot, for instance, because with practice the tag can be kept very short. This provides a benefit with droppers lasting longer due to less wastage when flies are frequently changed.
Illustrations supplied by John Symonds
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