鍔 （つば） guard on sword, polearms, etc., flange, brim, visor (e.g. of a hat)

鍔音 （つばおと） sound when stopping the blade of a sword with the guard

金鍔 （きんつば） confection of sweetened beans wrapped in wheat-flour dough (in the shape of a sword guard), metal sword guard, polearm

どじょう汁に金鍔 （どじょうじるにきんつば） two things that do not go well together, pairing kintsuba with loach soup