Comments by "RB 70" (@RB-bd5tz) on "Simple but Brilliant: Is This the Greatest Modern Invention? | Tales From the Bottle" video.

  1.  @adamshinbrot  The hole in the tip of the cap was useful for squeezing blackheads, too.
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  2. But when the blue and black ink ran out, it became much less useful ...
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  3.  @TomsCustomCreations  Ha ha! "Draw" blood.
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