Chatter Tool - Robert Sorby

This complete kit includes the handle; two double ended chattering cutters,
a HSS shear scraper blade and Allen hex. key for locking blades in place.
Patterns are created when the spring steel tips vibrate against the wood.
So if you change the speed of your lathe, or the cutter tip this will change
how the tool vibrates thus the amount of different patterns is endless.
The tool is great for items like box tops for patterning end grain.