This trick brings extra aroma compounds to the back of your mouth, where they will be picked up by your nose.
If you’re feeling brave, try the SLURP. Taking a sip, purse your lips as if you’re playing the flute, tilt your head forward a tiny bit, and breathe in a steady amount of air. The air will pass through the wine, creating a slurping sound. This trick brings extra aroma compounds to the back of your mouth, where they will be picked up by your nose. Careful not to drip down your shirt!