Glossary of mengu (facial armor). Downloadable pdf samurai armor glossary. &quot;The Samurai Armour Glossary&quot;, Nihon-No-Katchu.com Open Libary Contributers:Ian Bottomley &amp; Dave Thatcher, Editor:Tracy Harvey. http://nihonto.org.pl/wp-content/uploads/2013/01/The_Samurai_Armour_Glossary_2013.pdf