Knee-shaped pieces of wood bolted on to a mast - steel plates in a steel mast - on either side shortly below the masthead to help support the trestle trees, shrouds, etc.
Amaceba amaplanga enziwe okwedolo abotshelelwe kwimasti iipleyiti zentsimbi kwimasti yentsimbi kwicala ngalinye ngaphantsi kancinci kwentloko yemasti ukunceda ukuxhasa imithi engxabalazileyo, iintambo ezibamba imasti, njalo njalo.