How It Works:

COMPLETED; Unohana's Second Riddle:

Date: September 24, 2013
Time Is: 3:30PM

Tall she is, and round as a cup,
Yet all the king's horses
Can't draw her up.

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Date: September 23, 2013
Time Is: 4:00PM

Who makes it, has no need of it.
Who buys it, has no use for it.
Who uses it, can neither see nor feel it.

Answer: A Coffin