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]
(..) Shut up. All right, Ellis. Can you climb that trunk, -choke this off that limb? - Yeah. Tie it in a bowline knot, you know it? I'm not stupid. Neck, I need you to start cuttin' line in two-foot pieces. Count two foot as long as your arm. Be careful. (..)2012 Mud