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If Shifting Your Car Isn't Enough, You Can Shift Your Pen
Shiftable pens are nothing new, but this one uses its shifting for something more interesting than just clicking its ink ...
Business Insider8y
The HeatVanish Pen erases your mistakes by using heat
It is called the HeatVanish Pen and works by using heat sensitive ink that turns clear when hot. The pen is equipped with an electric heating element on the end which works as your rubber.