Just write as normal with the papermate replay max ballpoint pen and the fluid 1mm nib will work well at any angle if you need to remove anything just flip the pen around and use the cap mounted eraser the ink dries to permanent after 24 hours ensuring a clean tamper proof finish the soft rubber grip ensures long lasting comfort and control of the pen erasable ball point pen writes smoothly like a ball point pen ink erases like a pencil dries to permanent after 24 hours medium nib for 1