No - the raised letters offer a visual clue to their identity. Therefore, the subjects must look away while they are touching these characters. Students MUST use a stack of paper when pressing down to produce dot imprints. Without the stack, both the table surface and pen may easily be damaged. Also, remind students not to press down too hard with the pen.
Excessive force can damage the ball of the pen tip.
To prevent cracked pens, use pens that have a flexible plastic shell. . . . . . . . .