https://fishingmag.co.nz/knots-for-fishing/tie-fast-knot-tyer Tie-Fast Knot Tyer. This is a small stainless steel tool that is used to tie the nail or tube knot in monofilament fishing line. It can be used for tying the leader to fly line, splicing lines together, snelling hooks, tying on lures, flies and much more!.
