>Play badminton for two weeks in gym
>Racket rubs against the palm of my hand
>Blister on my hand
>Walk for a mile barefoot
>Blister on foot
>Use pencil
>Pencil rubs up against left side of right middle finger
>Blister(actually, more of a callous) on middle finger
>Agent Orange in the 'Nam
>Blisters on 98% of body