japanese saw
nokogiri 鋸 胴付鋸 胴突鋸 両刃 横挽き 片刃 畦挽 あぜびき 回し引き
A pull saw that cuts on the opposite stroke (push) from hand saws.
The most common type is the "ryoba", which is rectangular or trapezoidal and has two cutting edges, i.e., a saw on both sides: one for cross-cutting, and one for ripping.
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This tag implicates saw (learn more).