Sorry no pictures, but hopefully I can describe it clearly.....   I know that the gammoning begins by splicing a small eye into the end of the gammoning line, reeving the line through the eye and hitching it around the bowsprit. It then passes between the gammoning hole and up around the bowsprit moving forward to aft on the bowsprit (each turn lying aft of the previous one) and aft to forward through the gammoning hole (that is, beginning at the aft end of the gammoning hole and working forwa