A brick clamp is a traditional method of baking bricks, done by stacking unbaked bricks with fuel under or among them, then igniting the fuel.
[1] The clamp is considered a type of brick kiln.
If the clamp is insulated by packing earth or mud around it, it becomes a scove kiln.
This article about the process of building or construction is a stub.
You can help Wikipedia by expanding it.