Encyclopedia of historical weapons - Flanged mace

By the middle ages, many European maces were all metal construction. Flanges, spikes, and similar pointed protrusions were added to combat plate and mail armor. The force of a blow, concentrated on the tip of a flange or spike, was very effective at denting and piercing armor.

Encyclopedia of historical weapons

From Encyclopedia

The no-cutting part opposite the blade. Double-edged swords has no back.
Also cross-guard or quillions. The straight bar or guard of a Medieval sword.
Solid and bulky, ornamental spear-like polearm.
See Small-Sword.

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