Methods for the amplification of signals generated from target molecules using a plurality of bridging layers of detector molecules and rolling circle amplification of oligonucleotide sequences are disclosed, along with methods of using these together with solid supports, such as on a microarray. The driving shafts are disposed concentrically and fitted rotatably relative to each other. The wefts of hair may be secured in place with a hairnet and the wig and form placed in a box for sale or storage by the consumer after sale.