名詞、舊式、香港
簡稱匙金。實際上即係「租約頂手費」。二戰後香港人口膨脹，租金大幅上升令市民一屋難求，由於有租務管制限制業主加租，為討回市價差額，業主用各種名目向租客收取金錢，其中一種就係鎖匙金，意即業主幫租客配鎖匙嘅費用。 Key money. A kind of "lease transference fee". After the second world war, the rent went up dramatically following the population growth, but as there was Tenancy Control to limit the increasing rate of rent, the flat owner used some other methods to charge tenant for the difference from market price, like the "key money", means the fee for flat owner to prepare a duplicate key cut for tenant.