Finger tricks

Learning how to whistle can be tricky, but if you practice enough you will be able to do it with ease. Whistling with two fingers can come in handy if you're trying to gain someone's attention because the sound is loud and commanding. As...

You can know the degrees of an angle using just your hand. Spread your fingers as much as possible, and put your palm on a surface of the angle of which you want to measure. The little finger should lie on the bottom side and represents 0°. The angle between the thumb and the little finger will be 90°, the angles between the little finger and the other fingers are 30°, 45°, and 60°, respectively.

If you've always wondered how to whistle with your fingers, here's a step-by-step guide that shows you how to whistle loud with your fingers!!

In this installment of Cool Uncle Tricks, we make an annoying and screeching grass whistle to entertain your nieces and nephews.

How to whislte like your friends - 9GAG