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This clever ruler handle is used in conjunction with clear acrylic rulers. The suction cups attach securely to the ruler to ensure the most accurate cutting and measuring without accidentally moving the ruler with your hand when tracing and marking. Allows for greater ease of movement.
I would like to see a short video of how to use this item. As a practical matter I'd like to know if it's possible (or advisable) to insert screws to maintain the security of the suction cups to the handle.