Challenge 6: 3D Pen- Ref Pen

https://www.dropbox.com/s/vhmwspyg7v9jbde/RefPenTeamPatrick.pdf

RefPen is a practical new product that combines the functionality of the pen with that of a whistle to streamline officiating. In soccer, most referees carry a pen (to track events such as bookings) as well as a whistle to manage player behavior and enforce the rules of the game. Each component is detachable as well. With the RefPen, individuals can have two important tools in one, allowing for the seamless transition between writing and whistling during a fast-paced game in which time is critical. 

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