Korean bow
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The Korean Bow is a composite bow that was the basis of the similar Mongol bow. The Korean bow was used effectively against the Japanese Invaders in the Imjin war.
The core is bamboo, which is sinew backed, with oak at the handle. On the belly is waterbuffalo horn. The outer ends of the limbs are made of either mulberry or black locust spliced (v- splice) onto the bamboo. The glue is made from fish air-bladder. Over the sinew backing is a special birch bark that is imported from Northeast China. It is soaked in sea water (possibly for one year). It is applied to the back using diluted rubber cement (using benzene as the solvent).
The draw weights vary, but most are above fifty pounds. The cost for this type of bow is in the US$800 range. For the laminated bow, the cost is US$200-300. For most competitions, either bow may be used (bare bow only), but for national competitions, only the composite bow may be used.