Feed your fabric through the small funnel located on the front of the foot. The funnel turns the fabric under while the needle stitches it down to create a perfect narrow hem.

Guaranteed to fit Singer Sewing Machine Models:
31, 44, 95, 191D, 195K, 196K, 241, 241-12, 245, 251, 281, 307G2, 331K, 366K, 400W, 451K, 491, 591D, 600W, 600W1, 660A, 771, 1300, Centurion 121D