1 Kings 18:28

Elijah’s scorn roused the Baal-priests to greater exertions. At length, when the frenzy had reached its height, knives were drawn, and the blood spirted forth from hundreds of self-inflicted wounds, while an ecstasy of enthusiasm seized many, and they poured forth incoherent phrases, or perhaps an unintelligible jargon, which was believed to come from divine inspiration, and constituted one of their modes of prophecy.

The practice of inflicting gashes on their limbs, in their religious exercises, was common among the Carians, the Syrians, and the Phrygians. We may regard it as a modification of the idea of human sacrifice. The gods were supposed to be pleased with the shedding of human blood.

Lancets - Lancets, in our modern sense of the word, can scarcely have been intended by our translators. The Hebrew word is elsewhere always translated “spears,” or “lances;” and this is probably its meaning here.