The act of pounding on something in order to make it work is called Percussive Maintenance

TV not working? Are you shaking, banging or pounding on it? Well, you’re actually performing Percussive Maintenance.

Statistically, it is very unlikely for it to work; in fact, Percussive Maintenance usually only makes things worse.

But since there is always a chance for it to improve things, we can’t say it never works.

speakabit

Savant

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