Encyclopedia of historical weapons - Boss

Also umbo. The round shaped piece of metal at the center of a shield. Protects the hand.

Encyclopedia of historical weapons

From Encyclopedia

Stechhelm
A 'frog-mouthed' form of great helm which was worn specifically for Gestesch, bolted to the breastplate.
Adze
The adze was a traditional carpenter’s tool with a long thin axe-like blade attached at a right angle to the handle; they were used for cutting…
Quaddara
Straight-bladed sword, often inlaid with gold; hilt is of horn with no guard.
Yatagan
A long knife or short saber that lacks a guard for the hand at the juncture of blade and hilt; usually has a double curve to the edge and a nearly…
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