Kalmar "ƙafafun maruƙa" yawanci tana nufin ƙafar shanu ko 'yan maruƙa. Duk da haka, an fi amfani dashi don komawa ga tasa da aka yi daga simmering ƙafa a cikin ruwa don ƙirƙirar broth gelatinous, wanda aka saba amfani dashi azaman tushe don jellies, aspic, da sauran shirye-shiryen dafuwa. A wasu al'adu, irin su abinci na Faransa, ana ɗaukar ƙafar maruƙa a matsayin abinci mai daɗi kuma ana amfani da su don yin jita-jita iri-iri.