押おさえ棒ぼう

noun

cap iron; chip breaker; pressure bar

A metal rod in a traditional Japanese wooden plane (鉋) that holds the chip breaker against the blade. Technical woodworking term.

• 鉋かんなの押おさえ棒ぼうが緩ゆるんでいると、削けずり屑くずが詰つまりやすい。

  If the plane's cap iron is loose, shavings tend to clog easily.