Paper shredder with no noise pollution. A noiseless multiple blade scissor.

I had this idea to post for several days now. And wasn't sure how to make a drawing of it.
It is very uncomfortable when in an office someone is using the shredding machine because they are usually very noisy.
Then I thought of the multiple blade scissors.
To my surprise i found it in and advertising in the New York Times this morning.
So the idea exists and is already produced. Will try to take a picture and post later the image
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