Besides, they were receiving a lot of high-priced orders from Japan for sealstone made of tiger's eye. Tiger's eye was produced in South Africa and exported only in limited quantities, so the two brothers were always thinking about what they could do to secure a plentiful supply.
再加上當時日本人的虎眼石印章訂單量多價錢又好，偏偏虎眼石是南非的特產，出口量有限制，所以兩兄弟也一直在想如何能取得充分的虎眼石原料。