Eyewear can be provided which includes a frame and at least one earstem that can be removably coupled to the frame. The method also includes extracting partial information regarding the outer code from the inner code tracing. A plurality of load transferring members are integrally molded with the rotor body and each include a bucket support for supporting a bucket, with the bucket support permitting pivoting movement of the bucket during centrifugation of the rotor body about the axis of rotation. The PC can then be enumerated as the connected device by other PCs on the bus. The latching portion detachably engages with the at least one latching patch with an end of the at least one latching patch pressing the resisting portion toward the receiving space.