After tying your line to your Speed Clip, you can squeeze down on th etorsion arms and it will open the jaw. Then slip one ar fo the jaw completely through the eyelet of the lure until the jaw closes. To ensure you attached it propertly, the Speed Clip shouldmove "freely" on the eye of the lure. This stainliess steel marvel can be used in fresh or saltwater without hurting your equipment. Remove your existing split rings and enjoy the ease!