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After the snagged loop is secured and blended, inspect the area closely for any fibers that are still loose, protruding, or appear uneven. Use a pair of fine-tipped tweezers to carefully grasp and pull up these individual stray threads. Then, with small, sharp scissors (such as cuticle or craft scissors), trim them flush with the carpet surface. Exercise caution to avoid accidentally cutting into the intact, secured carpet pile, which could create new damage.