Clamp lock

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,
• wherein the first end of each of the plurality of clamp tongues is connected to an annular ring of the first portion of the clamp sleeve, and wherein the plurality of clamp tongues are tilted toward a central axis, the second ends of the plurality of clamp tongues form an internal circular hole with a radius that is smaller than an internal radius of the annular ring.