Deduction Tip #2

Calluses are another easily identifiable abnormality that you can use to your advantage. You can tell what hand is someone's dominant hand by a callus found on the last knuckle of the middle or ring finger on the dominant hand. This is where the person rests his/her pencil when writing. Calluses on the fingertips of the left hand mean the person plays right-handed guitar, and calluses on the right hand mean the opposite. Calluses on the base of the pinky and ring fingers mean the peson may play a sport with a club or racquet (baseball, golf, tennis etc.). Finally, calluses on the sides of the ring finger, middle finger, and thumb mean the person is most likely is a bowler.

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