It’s an age-old problem: coasters stuck to beer pints. But instead of flicking the coaster in frustration, Sam Merritt, founder of Civilization of Beer, has a neat trick to ensure your coaster stays on the bar.

CHOW Tips are the shared wisdom of our community. If you’ve figured out some piece of food, drink, or cooking wisdom that you’d like to share on video (and you can be in San Francisco), email Jenny Stewart and tell us what you’ve got in mind.