If you have set a bad lead for your headsail sheet so that its pull comes down too vertically to the lead block, you can cause a tear across the sail.
Ukuba ngaba isikhokelo esibi zeenTambo yenTloko yeseyile ukuze ukudonTsa kwazo kuhla ngqe phezu kweblokhwe yokukhokela, ungabanga umrhobo enqamleze iseyili.