It might seem that 'though' was a misprint for through. In M. for M. iii. 1, the folio has through for though.
"They have a king and officers of all sorts."
"And therefore living hence did give ourselves
To barbarous licence."
We should surely read thence or here for 'hence.'
"Be like a king and show my sail of greatness."
Perhaps 'sail' should be full; or 'my sail' me full.