Encyclopedia of historical weapons - Goupillon

Steel, three-pronged horseman's flail used; head could be spiked or plain.

Encyclopedia of historical weapons

From Encyclopedia

Bascinet
See Basinet.
Foible
Special (Renaissance) term for the upper, weaker part of a blade. Does most of the attacking for its speed and nimbleness.
Rerebrace
Armor protecting the upper arm.
Nagan
Sword with a serrated edge; hilt is padded and fitted with a spiked pommel. 
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