Flag Clips

These clips are for attaching a burgee, signalling flag, or other item that you need to hoist up your mast, to a lightweight halyard to make it visible to others. They're not for heavy loads like sails or mooring lines.
I've seen these clips around and thought I could print them much cheaper than I could buy them! The clips are tied onto the ends of a line running up the mast (or flagpole) and slide together into the gap in each clip when held at 90 degrees to each other. Attach them to each