In cross-channel steamers and other vessels which frequently berth alongside jetties the strake just above the waterline is reinforced and protected with a baulk of timber, which is faced with steel and known as the rubbing strake .
Kwizikhuphi mphunga ezinqamleze emigodini nakwezinye iinqanawa ezisoloko zibekwa kumathambeka emichwe ngaphezulu nje komgca wamanzi ziphinde zifakwe kwaye zikhuselwe ngeziqobo zemithi, ezigqunywe ngeentsimbi kwaye zaziwa ngokuba yimichwe ekhuhlayo.