Since vast number of remaining Hekigyoku were excavated after the digging without any plans, such as 107 Ishikushiro, 105 Sharinseki and 23 Kuwagata-ishi counted by their original unbroken forms, it can be presumed how large the numbers Hekigyoku were used.
碧玉製腕飾類は、もとの個体数にして石釧107、車輪石105、鍬形石23という膨大な量であるし、乱掘後残された数に過ぎないから、どれだけ多数が使われたかが分かる。