Yeah I don't trust them with that sort of material. Loop nail knot is another alternative to Albright.It's a good knot but I've pulled them off of mono core sink tip when hung up on wood. I think an Albright is tougher in that regard.
I think the loop nail knot is the same thing as what some of us call the saltwater nail knot. I like it better than the Albright and it's locked in so it can't pull out like a standard nail knot. I've lost one nice fish to a nail knot and have had several pull out when hung up on wood, like shotgunner and others have mentioned. I've gone almost completely to braided loops now, but the saltwater nail knot is what I'd use if I wanted a nail knot type connection.Yeah I don't trust them with that sort of material. Loop nail knot is another alternative to Albright.
Never had an issue elsewhere.
I had an Alaskan guide tell me he uses nothing but nail knots for attaching leaders and for the backing to fly line connections. He said he has never had one pull apart ever, regardless of fish species. I was wondering if anyone disagrees with this.
What difference does the size of the fly make? That 20lb fish with the #12 fly doesn't know it's a nail knot.If you still use nail knots for anything else but tiny dry flies than you serously need to reconsider other available methods.