Answer:
What can be heard and caught but never seen?
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
It happens when something has been cut with H2O.
Break it and it is better, immediately set and harder to break again.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What covers its face with its hands, speaks no language, yet most known what it's saying?