WATCH: How to use Guinness to defrost your car

Why didn't we think of this brilliant Guinness trick sooner?

Did you know you can use a can of Guinness to defrost your windshield?

Mayo man Des Walsh has shared a brilliant video showing us how to use Guinness to defrost an icy windshield.

Read More: Sleet, frost, ice, snow forecast for Ireland this week

"A friend of mine came up with a brilliant idea," says Des in his video. 

"Alcohol has a -128 (C) freezing point," he adds.

Read More: Remembering Arthur Guinness, founder of the famous Dublin brewery, on the day of his death

We’re not sure this is exactly what Arthur Guinness had in mind centuries ago, but we doubt he’d be mad about it either.

With temperatures plummeting across Ireland and the US, this uniquely Irish trick will have you on the roads in no time!

(Just no drinking before you get behind the wheel!)

Read More: Grandmother who drank a Guinness a day dies at the age of 100

Check out the video here - cheers to Des Walsh for sending it along!:

Have you ever tried this Guinness method? Let us know in the comments!