10 Old-School Tips and Tricks Everyone Should Know

Boil items (like sponges or small tools) in water for 10 minutes to kill germs.

9. Months with 31 Days

Knuckle Method:

• Each knuckle = 31 days.

• Valleys between knuckles = 30 days (except February).

Or use the rhyme:

Thirty days hath September,
April, June, and November.
All the rest have thirty-one.

10. Using Your Hand for Degrees

• Thumb to pinkie (stretched wide) = 90°

• Pinkie to ring finger = 30°

• Pinkie to middle finger = 45°

• Pinkie to index finger = 60°

Why These Tricks Still Matter:
Even in the smartphone era, there are times when batteries die, signals drop, or you simply want to rely on your own skills. These small bits of practical knowledge can come in surprisingly handy.