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    | yarisama 鑓狭間 | 
  
  
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    | KEY WORD : architecture       / castles  | 
  
   
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    |   A loophole for thrusting pikes and spears. Typically, it is installed in narrow locations beside main castle entrance and castle gates to skewer attacking enemy forces.  | 
  
   
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      (C)2001 Japanese Architecture and Art Net Users System. No reproduction 
      or republication without written permission. 
       掲載のテキスト・写真・イラストなど、全てのコンテンツの無断複製・転載を禁じます。 | 
  
   
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