A clamp lock for connecting a first piece to a second piece of a furniture, comprising a pin, wherein the pin comprises a first end surface and a second end surface, and a plurality of portions that are connected between the first end surface and the second end surface; and a clamp sleeve, wherein the clamp sleeve comprises a hollowed core through a full length of the clamp sleeve, and the clamp sleeve comprises a first portion and a second portion that is connected to the first portion, and wherein the first portion comprises a hollow cylinder, and the second portion comprises a plurality of clamp tongues, each of the plurality of clamp tongues comprising: a first end being connected to the first portion of the clamp sleeve; and a second end comprising a flange.