For those that bring up the Army argument:
Have you ever gone backpacking? Heavy backpacks use a padded waist strap to take the weight off of the shoulders. If you think they could do all the marches will all that weight solely on their shoulders, you are crazy. The waist strap is night/day difference.
However, the vest, if it is snug (with the weight distributed), might not be a problem.
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Brian Griffin: Ah, if my memory serves me, this is the physics department.
Chris Griffin: That would explain all the gravity.
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