When a shepherd rescues anything from a lion, what's usually left? It's not the prize sheep, but the leftovers.
Amos uses a stark image here: a shepherd pulling mere 'two legs' or 'a piece of an ear' from a lion's jaws. This isn't about a triumphant rescue of a whole animal. Instead, it highlights what’s left after the predator has had its fill – the least valuable, most damaged parts.
This image powerfully illustrates the kind of 'rescue' coming for Samaria. It won't be a glorious deliverance, but a desperate survival, leaving behind those who are weak, broken, and barely recognizable as the once-proud people of Israel.