The project has been tied up in political and legal 'knots' for years. [=nothing has happened with the project for years because of political and legal problems]
The mayor 'tied himself in knots' answering a touchy political question. [=he answered it in a confused or unclear way]
She 'knotted' a sweater around her shoulders. [=tied the sleeves of the sweater together around her shoulders]
(..) you scare easy. I'll tell you what doesn't scare me... Bald cocksuckers like you. You think you're fooling anyone with that top knot? Bald cunt. Come on. Maybe they've got some ale hidden away. They don't. (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1