700 men left-handed seem therefore to have been made slingers, because they could not use the right hand, which is employed in managing heavier arms; and they could discharge the stones from the sling in a direction against which their opponents were not upon their guard, and thus do the greater execution.

士師記 3:15
以色列人呼求耶和華的時候，耶和華就為他們興起一位拯救者，就是便雅憫人基拉的兒子以笏。他是左手便利的。以色列人託他送禮物給摩押王伊磯倫。

歷代志上 12:2
他們善於拉弓，能用左右兩手甩石射箭，都是便雅憫人，掃羅的族弟兄。

sling stones

600 feet distances.

撒母耳記上 17:40,49,50
他手中拿杖，又在溪中挑選了五塊光滑石子，放在袋裡，就是牧人帶的囊裡。手中拿著甩石的機弦，就去迎那非利士人。…

撒母耳記上 25:29
雖有人起來追逼你，尋索你的性命，你的性命卻在耶和華你的神那裡蒙保護，如包裹寶器一樣。你仇敵的性命，耶和華必拋去，如用機弦甩石一樣。

歷代志下 26:14
烏西雅為全軍預備盾牌、槍、盔、甲、弓和甩石的機弦，