Chenille Cutter from Havel's.
The 28mm compact Chenille-Technique Rotary Cutter is designed to cut through multiple layers of fabric with the tungsten carbide blade. 2-in-1 comfort cutter is a chenille slash cutter and a 28mm rotary cutter in one tool. Includes 4 guides for narrow, medium, wide and extra wide Chenille channels.
The Chenille Cutter has 4 different widths for increasing or decreasing the "pile" of the chenille that you are creating. The widths are: 1/8", 1/4", 3/8", 1/2".