Coffee shop owner charges customers DOUBLE the price if they fail politeness test
![Coffee shop owner charges customers DOUBLE the price if they fail politeness test](https://i2-prod.mirror.co.uk/incoming/article28243887.ece/ALTERNATES/s615/0_PAY-SWNS_PRESTON_CAFE_05.jpg)
Usman Hussain, 29, opened the Preston-based shop selling chai, doughnuts, street food and desserts in March this year and came up with a great way to help customers remember their manners