对石球考证之启迪王为桐受石球用途和使用方式的启迪，联想起西周陶丸的用途和使用方式，应属同类。石球是古代大型狩猎工具，而陶丸当是古代小型狩猎工具。其内在联系考证如下：《契丹国志》卷二十三《渔猎时候》有这样一段话，契丹人狩猎时“好以铜及石为槌，以击兔”。... Inscription on the stone ball research Wang Wei Tong by the use of stone balls and the use of enlightenment, think of the use of Western Zhou Dynasty Tao Wan and use should belong to the same category. Stone ball is an ancient hunting tool, while Tao Wan is an ancient hunting tool. The internal textual research is as follows: “Qidan country records” volume twenty-three “fishing time” there is such a passage, the Khitan people hunting “good copper and stone for the hammer to hit the rabbit.” ...