WALNUT HOLLOW-Creative Woodburning Special Technique Points II. Make woodburning designs easier to create! Specifically designed for use with all of Walnut Hollows hot tools. This package contains five technique points (one universal point, one mini universal point, one flow point, one shading point, and one cone point). Imported. WARNING: This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.