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In this classic sticky-rice western, Jackie Chan finds himself locked up, stressed out and desperate. The year is 1881, and Chinese princess Lucy Liu has been kidnapped in Nevada. Imperial guardsman Chan)has set off to the wild west to rescue her. After hitting it off (literally) Jackie and gunslinger Roy (Owen Wilson) find themselves behind bars. Ancient Chinese teachings dictate that urinating on fabric will strengthen it, and Jackie is able to enact a brilliant escape using a shirt, a wooden stick and, you guessed it, wee. But is this possible? Our two presenters are determined to find out. To repeat the jail breaking feat, our hosts, being of a somewhat delicate constitution, don’t want to use their own urine, so they construct some using chemicals and household ingredients. 
As you can see urine is 95% water, so what effect does water have on the strength of cotton?
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