Question: how would you measure 1/8 teaspoon?
Answer: 1/8 teaspoon = 1 pinch between thumb, index and middle fingers.
1/4 teaspoon = 2 pinches between thumb, index and middle fingers.
1/2 teaspoon = Cup your hand, pour a quarter sized amount in your palm.
1 teaspoon = Top joint of index finger.
1 tablespoon = Entire thumb.