[maym86]

I highly doubt it. I don't think Banksey is worried about a print being damaged.

[zseck]

From the video that Banksy posted, the shredding mechanism just doesn’t make any sense. X-acto blades at that angle wouldn’t shred in the way it come out of the frame. There’s clearly something else happening here.

https://www.bbc.com/news/uk-england-bristol-45770028

[wrycoder]

Absolutely. It would not work. See the other comment suggesting the shredded version was stored in the frame.