Meanwhile wooden farming equipment (wooden rice ear cutting tool) that was used for the same application was also found, but the test in Nishinomiya City Folk Museum showed that when wooden rice ear cutting tool like ishi-bocho was used, work efficiency was reduced by only several times of harvesting.
なお同様の用途に用いられた木製農具（木製穂摘具）も発見されてはいるが、西宮市立郷土資料館の実験では石包丁のような形状の木製穂摘具の場合に、僅か数回の刈り入れで作業効率が低下することが示されている（）。