The three creasing wheels supplied with the Creaser tool head will each produce a different style of crease. Experiment on small samples of your material to see which gives best results.
Remove the lower clamping knob.
Remove the creasing wheel leaving the bearing and clear plastic shim in place.
Remove the upper clamping knob.
Choose the creasing wheel you would like to use and exchange it with the lower wheel. Replace both clamping knobs.