Compleat OffShore Swivel Knot
Designed originally to attach a swivel securely to the double line used in offshore big-game trolling, the Swivel Knot can also be used for attaching a hook. If one strand breaks, the other strand will not slip. Breaking strength is 95%-100%
the loop end of double-line leader through the eye of swivel.
the loop with the twist over the swivel.
holding the loop and lines with one hand, use your other hand to rotate
the swivel through center of both loops, at least six times.
holding both legs of the double-line leader tightly, but release the
end of loop.
To draw the knot tight, grip the swivel with pliers and push loops toward the eye with fingers, while still keeping standing lines of the leader pulled tight.