Abstract: A clamp assembly is provided with a band having a length sized to wrap about a joint. A plurality of retainer segments is attached to the band to engage a peripheral flange of a pair of tube ends at the joint. A first threaded fastener is connected to the band at a first location. A second threaded fastener is sized to engage the band at a second location to extend to the first threaded fastener to fasten to the first threaded fastener upon rotation of the second threaded fastener to tighten the band and the plurality of retainer segments to clamp the joint.

Abstract: An ornamental rotational hat is provided which includes a cap portion having an interior space for receiving a wearer's head, a motor mounted to the cap portion, and a screw-shaped ornament connected to the motor to rotate with respect to the cap while the cap remains stationary on the wearer's head. An additional feature of the rotational hat calls for an insert for the cap having a plurality of fingers with inherent resiliency to grip a head of the wearer, and to retain the cap to the wearer's head during rotation of the ornament.