Inglefield clip
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![Two brass Inglefield clips connected (a standard clip on the left and a swivel clip on the right).](/Images/godic/202501/20/Inglefield_clip5014.jpg")
The Inglefield clip (also known as a sister clip and a Brummel hook) is a clip for joining a flag or ensign quickly, easily and securely to flag halyards so that the flag can be hoisted. They are also used for jib sheets on small boats and on paragliders.