Lochaber Axe

LENGTH: 4-7 feet
WEIGHT: 5-6 pounds

It is thought to have originated in the Lochaber region of Scotland. It is a pole axe with a pike aside a blade and a sharp hook. This axe was used to cut the reins of the heavy horses using the sharp hook to do so. Causing the horses rider to fall from his mount. The pike  pierced the armor and the blade removed head and limb from the knights body.