A common misinterpretation views this verse as a hopeful promise of God's protection for a faithful remnant, akin to salvation in the New Testament, overlooking its context as a dire prophecy of almost total destruction where even the 'rescued' portions are mere scraps, symbolizing the futility of partial deliverance amid comprehensive judgment on Israel's unrepentant sin; others might literalize it as advice for shepherds or disconnect it from the surrounding oracles of doom in Amos 3.
Amos 3:12
King James Version (1769)
12 Thus saith the Lord; As the shepherd taketh out of the mouth of the lion two legs, or a piece of an ear; so shall the children of Israel be taken out that dwell in Samaria in the corner of a bed, and in Damascus in a couch.
Amos 3:12 uses the vivid metaphor of a shepherd recovering only two legs or a piece of an ear from a lion's mouth to illustrate the severity of God's impending judgment on Israel; despite any apparent rescue, the surviving remnant from Samaria and Damascus will be insignificant and worthless, underscoring that divine punishment will leave the nation nearly utterly devastated, with no substantial escape from captivity and exile.