make-weight
From Longman Dictionary of Contemporary Englishmake-weightˈmake-weight /ˈmeɪkˌweɪt/ noun [countable] INCREASE IN NUMBER OR AMOUNTa person or thing that is not very important but is included so there is the right number of people or the right amount of somethingExamples from the Corpusmake-weight• Companies throw them in as enticing make-weights in their employees' pay packets.• So what of the make-weights, as the presentation suggests we consider them?