# How to Quickly and Safely Break a Window

**URL:** <https://boards.straightdope.com/t/how-to-quickly-and-safely-break-a-window/610144>\
**Category:** Factual Questions\
**Created:** [January 20, 2012, 4:44pm UTC](https://boards.straightdope.com/t/how-to-quickly-and-safely-break-a-window/610144 "2012-01-20T16:44:12Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![The\_Second\_Stone](https://avatars.discourse-cdn.com/v4/letter/t/bbe5ce/32.png) [@The\_Second\_Stone](https://boards.straightdope.com/u/The_Second_Stone)\
**Post date:** [January 28, 2012, 7:55pm UTC](https://boards.straightdope.com/t/how-to-quickly-and-safely-break-a-window/610144/21 "2012-01-28T19:55:09Z")

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> [@Sinaptics](#):
>
> Could keep a small piece of ceramic from a spark plug around. Works on tempered glass. Amazing how well it works. You can youtube it for demonstrations.

Many states consider the ceramic from a spark plug to be a burglary device.

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**Author:** ![porqui](https://avatars.discourse-cdn.com/v4/letter/p/e0b2c6/32.png) [@porqui](https://boards.straightdope.com/u/porqui)\
**Post date:** [January 28, 2012, 8:15pm UTC](https://boards.straightdope.com/t/how-to-quickly-and-safely-break-a-window/610144/22 "2012-01-28T20:15:17Z")

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Reach for the nearest chair!! and strike window with leg of chair.

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