Whistling with your fingers is a fun skill to learn, but it can take some practice to get the hang of it. Here’s how to whistle with your fingers:
Wet your lips
Lick your lips or take a drink of water to wet them slightly. This will make it easier to create a seal with your fingers.
Choose your fingers
Decide which fingers you want to use for the whistle. The most common technique is to use your index finger and middle finger on your dominant hand.
Place your fingers in your mouth
Put your two fingers in your mouth with the tips pointing towards the back of your tongue. The bottom joint of your fingers should rest against the bottom of your teeth.
Close your lips around your fingers
Close your lips tightly around your fingers, creating a seal. Make sure that your fingers are positioned just behind your front teeth.
Blow air through your fingers
Blow a steady stream of air out of your mouth, and adjust the position of your fingers slightly until you hear a clear, high-pitched sound.
Practice
It may take some practice to get the technique right, so keep trying until you get the hang of it.
Remember to be mindful of your surroundings when practicing this skill, as it can be quite loud and potentially disruptive to others.