Nielsen's Rakings; Face It, Your Face Is The Place To Give On-The-Spot Smarts

Some scholars unclasp their glasses to wave up attention.
When you need on-the-spot smarts, put your index finger on the acupressure point of your "phitrum"  that indentation between your nose and your upper lip.

Here is your exercise: press for 30 seconds.

Experts in Traditional Chinese Medicine suggest using this technique to increase alertness, clarity and focus. They believe that putting pressure on this point accesses nerves which carry signals to the brain. It works for everyone I've convinced.