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>One guy on the team wanted to tape around the edges, attach a suction cup to the center, and break the window with a spark plug

What does the suction cup do? The way you described it only the edges were taped, so as soon as the glass pane breaks, the center will shatter and the suction cup will lose suction.

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Prevent shattering into multiple pieces. Remembering now, you had to hit the window in all corners. It was something complicated like that. Then you get the glass on the suction cup and place it down gently.

I didn’t like this idea, not just because it was complex, but also because it added a bunch of different gear I would have to carry.

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