There's a crazy amount of knots out there, but the Uni Knot has been one of the more well-known ones for quite some time. Not only is it a proven knot, but it's a relatively simple one to tie. Since the line only passes through the hook eye once, this knot is ideal for small hook eyes that won't allow for knots that require your tippet to pass through twice. Well, enough blabbering from me—let's tie this thing!
1.) Bring the line through the eye of the hook—or scissors handle in this case!
2.) Bring the tag end down and over the main line to form a loop. Notice how the tag end comes over the top of the two sections of line rather than underneath them.
3.) Take the tag end and (going away from you) wrap it around both the main line and part of the loop 5 or 6 times. Since I'm using thick rope for this example, I only go around 3 or 4 times.
4.) After the last wrap is made, run the tag end through the loop.
5.) Tighten the knot by holding the hook and pulling on the tag end. This will cause the knot to cinch down just above the hook eye, thus forming a loop as shown.
6.) To fully tighten the knot, now pull on both the hook and the main line. As always, moistening it a bit first helps. The knot will slide down into place against the hook eye as shown. Lastly, clip the excess and the knot is complete!