A circumferential clamp including a clamping band having oppositely disposed circumferential ends and a latching assembly for securing the ends together. Applications for these switchable holograms include communications switches and switchable transmission, and reflection red, green, and blue lenses. Dressing work done with the dressing tool 2 is thus made to be constant at the whole area of the dressing portion 4, from the rotational center of the dressing tool 2 to the outer side of the dressing tool 2. If the base station does not receive the timing control message, it is an indication that communication with the particular wireless terminal has been lost. Upon the guest partition’s execution of the conversion instruction with the logical address specified, the processor converts the logical address to an encrypted real address, and returns it to the guest partition. The flakes are aligned so as to produce one or more kinematic features such as a rolling bar that appears to move as the image is tilted.