Rot-proofed sisal signal halyard (being replaced by man-made cordage) is soft-laid, with one-quarter to one-third of the yarns in each strand reverse-spun (left-handed).
Isisal ekhuselwe ekuboleni ngomqondiso wentambo wentanjana (enye isuswekusetyenziswe eyenziwe ngumntu ngesandla), ebekwe ngokuthambileyo kwikotaesinye ukuya kwisinye sesithathu semisonto kwimisonto nganye esontwa isiya emva (kwisandla sasekhohlo).