Abstract: A knot tying tool and support form which assists a person in tying a perfectly-formed necktie knot. The Y-shaped tool has two arms and a handle with a slot for insertion of the tail end of a necktie. It is molded from a lightweight plastic material, and it remains within the knot after the knot is tied, without being noticeable or bulky. The tool can be molded with a raised area that pushes out the center of the knot.