Various methods and apparatus for simultaneously texturing two single-sided hard memory disks is provided. The two disks are placed in a concentric contact merge orientation such that the outwardly facing surface of each disk may be simultaneously subjected to texturing by equipment designed to texture one double-sided disk.

Various methods and apparatus for handling a plurality of disks and repositioning them into pairs is provided. In one embodiment, a nest is configured to hold a cassette and includes a nest. The nest includes a curved surface with ribs or teeth extending therefrom which define a row of grooves. The grooves are dimensioned to hold a pair of disks in concentric contact merge orientation and the teeth facilitate movement of pairs of disks into the grooves.