Japanese evergreen oak is light but is easily broken in an exchange of powerful strokes, while hardwoods like Siamese senna (senna siamea) easily produce splinters in a similar exchange.
なお、赤樫は軽いが強く打ち合うと折れやすく、鉄刀木のような、硬い木材は強く打ち合った際にささくれが生じやすい。