3m document holder

3m document copy holder used as a music desk.

3M Adjustable Document Copy Holder, In-line with Monitor Minimizing Head and Neck Movement, 300 Sheet Capacity Holds Sheets to Books, Elastic Line Gui https://www.amazon.com/dp/B00006B7UW/ref=cm_sw_r_cp_apip_fPTw34KRwbkc4