The present invention is a clamp for a confined area that restricts undesired movement of objects in an unutilized or void area of confined area and prevents objects from being damaged during transportation. Clamp includes a first wall and a second wall. First wall and second wall are disposed oppositely. Confined area is partially filled with objects such as books and partially void. Clamp includes a first end support, a second end support and a retractable mechanism. Retractable mechanism, such as a scissor mechanism, is disposed between and in connection with first end support and second end support. First end support and second end support are retracted such that first end support is in connection with the first wall and second end support establish contact with objects and fill void space. First end support and second end support are provided with at least one stopper such as an anti-skid bush.