《孙膑兵法·略甲》
用兵的谋略在于，当敌军列出方阵时，想要攻击敌军，而敌军的兵势又不可战胜时，在这种形势下，求战的心情像是发疯一般，在这种情况下，在这种情况下，让大队士兵尾随，选出精兵沿途袭扰，从左右两边相向攻击，这就叫做钩击。
略甲之法，敌之人方阵□□无□欲击之，其势不可，夫若此者，下之以国章，欲战若狂，夫昔此者，少阵反，夫若此者，以众卒从之，篡卒因之，必将篡卒因之，必左右旁伐以相趋，此谓钩击。
The strategy of using troops is that when the enemy army is lined up in an array, if you want to attack the enemy army, but the enemy's troops are invincible, in this situation, the desire to fight is like going crazy. In this case, let The large troops followed, selected elite soldiers to attack along the way, and attacked from both the left and right sides. This is called hook attack.