Longfellow Line: Rattling __, the Clashing Blade

This page is the CodyCross answer for the clue below from Making a Documentary, Group 1507, Puzzle 1 (Black and White).

Question is: Longfellow Line: Rattling __, the Clashing Blade

and the answer is: MUSKETRY

Word Meaning:

MUSKETRY — The technique of using small arms such as muskets.

Definitions from Wiktionary.

Longfellow line: Rattling __, the clashing blade — CodyCross Answer | CodyCross Solutions