The kanabō was a spiked/knobbed club or truncheon used in feudal Japan as a weapon by samurai and their retainers.
A plançon a picot is a heavy and thick two-handed mace with an Armour-piercing spike on top. The mace was the usual weapon of the cavalieri, essentially mercenary armies of Northern Italy hired by Italian city-states and throughout Europe starting in the 14th Century.
A knights weapon of choice was usually the sword, but swords were difficult to forge and maintain. This picture shows a variety of the other weapons that a knight would use in battle http://www.medievalages.net/2013/07/medieval-weapons/
Medieval War Hammer of Thor Woven With Spikes by General Edge, http://www.amazon.com/dp/B004V5XMOG/ref=cm_sw_r_pi_dp_kewcsb15JNN6Z