Shall snatch; every one shall greedily and violently seize upon any provisions that come in his way; which implies, either great scarcity, or insatiable covetousness, as is manifest from the next clause. Shall eat every man the flesh of his own arm; either,
1. Properly; so it notes extreme famine; in which case men are apt to eat their own flesh. Compare Jeremiah 19:9. Or,
2. Metaphorically, which seems best to suit with the following verse, the flesh of his brethren by nation and religion, which are as it were our own flesh, and are so called, Isaiah 58:7 Malachi 11:9; and, consequently, the flesh of their arm is in a manner the flesh of our own arm. And one tribe was to another as an arm, i.e. a support or strength, which is called an arm, 2 Chronicles 32:8 Jeremiah 17:5, and elsewhere.