Minnesota Clay Company Dark Blue Underglaze Potter's Pen

You can draw on bisqueware and cover with a clear glaze using Minnesota Clay Company underglaze Potter's Pens. Signing the bottom of your piece will not make it stick to your shelf.  How to use: - Hold the pen body in the middle.- Press down while writing to activate the spring-loaded tip.- Hold down and squeeze the pen while writing.  More tips: - Most lines are 1 mm thick, but how thick and opaque a line you achieve depends upon several factors.- Grip the pen body more firmly to make the line thicker.- In order to make a very opaque decoration, draw more deliberately.