The zipper stopped below my ribs. The sound had been clean—brass teeth meshing in the cold—until it wasn’t. A hard metallic click, then nothing. The slider had taken a fold of lining with it. Slick black nylon, puckered tight into the mouth of the track.
I pulled once too hard. The nylon tightened. The bite deepened. Nothing good ever comes from that second pull, but the body tries it anyway. Force before thinking.
Cold brass left a narrow dent in my index finger. The thumb found the warmth of the metal and held there while the other hand pinched the zipper tape from behind and drew the lining taut. A small correction. A truing.
Then the hand gave back one tooth. Forward pressure let go. The slider moved down—not much, a millimeter—and the pinched fabric eased. The hand already knew the angle. That little sideways wiggle that loosens the caught thread, that lets the teeth release what they swallowed. It happens before I can name it.
A loose thread from the inner seam had caught the slider’s edge. It curled against the wool, waiting for the next pass. The thread was polyester. It did not fray. It just pulled tight and held.
The useful direction was briefly backward. Once the nylon slipped free, the zipper would run. But I didn’t do that yet. I stood in the hall with the coat half-closed, the lining marked with a small creased shadow where the snag had been. The brass still cold. The dent in my finger fading.
The thread is still in there. I left it.