Joseph Benson's Commentary of the Old and New Testaments - 1 Samuel 17:34-35
1 Samuel 17:34-35. There came a lion and a bear Not both together, but at different times. I went out after him I pursued the beast. When he arose against me Turned again upon me; I caught him by his beard I had resolution and strength enough given me to close with him, and, catching him by the hair of his beard, smote and killed him on the spot. David does not say with what instrument he did this; but probably it was with a sword or spear. It is not improbable but in that age, and in... read more
Albert Barnes' Notes on the Whole Bible - 1 Samuel 17:35
His beard - Put here for his throat, or under jaw; neither lion nor bear has a beard properly speaking. read more