OK picture this. You have a pounding headache so you go to the medicin cabinet and get out the bottle of asprin. You pop the cap off of it and try and get 2 tablets out. They dont come out easily so what do you do? You shake the bottle vigorously because of the big huge cotton ball at the top. this creates a very annoying sound, very loud. all the while you have a pounding headache. Why oh why do they put a cotten ball in the top of the asprin jar? But we all do this. We all shake that bottle to get the asprin pills out, and it makes that loud noise. Hurts the noggin that sound does! makes my headache pound harder.