Jib
A forward sail attached to the forestay.
How to sign
Use Dominant flat-B or 1-hand outlines the sail edge. The base or passive hand is Non-dominant upright 1-hand: mast; forestay line established. Set mast and bow. Start at the masthead in front of the mast. Outline a smaller triangle along the forestay down toward the bow. Hold the sail forward of the mast with its leading edge on the forestay. Use SAIL, then place a smaller triangular sail in front of the mast along the forestay line. Its leading edge runs from masthead toward bow.