While other knots weaken the line over time, the catspawed hangmans uni knot will last for years without any maintenance required.
You will need to learn the hangmans uni knot before attempting this.
This knot is best tightened slowly while paying particular attention to how the line is laying while pulling it up.
You don't want to have any twists in the line or have the line crossing. A bit of practice is required.
To pull it up, put the clip over something fixed, such as a large nail.
Put light tension on the main line and slowly push the noose up to the clip.
One of the best saltwater fishing knots around and really worth taking the time to learn how to tie it properly.
It pays to remember, your line is only as strong as its weakest knot.
Looking for a reliable Spectra Fishing Knot.
This one is simple to tie and stronger. Spectra Knot HERE
Uni Loop catspaw video below