A secondary computing device display system includes a removable attachment mechanism operable to removably attach a secondary computing device display to a primary computing device display. The removable attachment mechanism comprises a first attachment member, operable to slideably attach to the secondary computing device display, and a second attachment member, comprising a clamping trench and a clamp locking lever. The second attachment member is operable to removably clamp the primary computing device display by inserting a clamping ridge of the primary computing device display in the clamping trench and engaging a notched surface of the clamping ridge with the clamp locking lever. The first and second attachment member are frictionally rotatable with respect to each other along a first axis and a second axis.