For jigs, the lefty Kreh no slip loop knot. Hangs up much less and better action. For a tight connection I use a knot I robbed from the pro Jason Quinn in a commercial. Don’t know the name of it but it just plain doesn’t slip with either mono or braid. I call it the old man knot cuz I can tie it without my glasses on. I’ll do some research and see if I can find out more.