Wenger is a company that creates the types of knives that were first used after what period?
Swiss Army knife The Swiss Army knife is a pocketknife or multi-tool manufactured by Victorinox AG (and up to 2005 also by Wenger SA). The term "Swiss Army knife" was coined by American soldiers after World War II due to the difficulty they had in pronouncing "Offiziersmesser", the German name.
Hoko yari Hoko yari is an ancient form of Japanese spear or "yari" said to be based on a Chinese spear. The hoko yari came into use sometime between the Yayoi period and the Heian period, possibly during the Nara period.