Its just a 'Surgeons End Loop Knot'.

Surgeons End Loop

Surgeon's Loop | How to tie a Surgeon's Loop | Fishing


I start with my line threaded through the hook eye and then treat the doubled line as one line and just proceed tying a overhand knot wrapping it three times before cinching it up.



First overhand wrap.


Third overhand wrap.


My tied loop knot.




Just the way I tie mine and don't have a problem with them other than not catching enough fish.