The engrave it pen marks your property with a nifty needle point, and you can write anything you wish, on anything. It also come with some cute flower and heart stencils, so if you are a little bit crafty you can personalize away your cups and glasses to your hearts content, as well as steal-proof your valuables. And at such a low price, if it turns out to be tat, no one loses out.
Works just like a pen.
Hold the Engrave-It like you would a pencil, with your thumb over the control button. Press teh control button in with your thumb. Applying slight pressure, press tool down on surface to be engraved. Hold it at a slight angle (like you would a pencil). to turn off simply release thumb pressure from control button.