How Manual Hand operated Calendar Rimming Machine Work, understand actual bending, pressing of calendar rims, rims are thin metal strips which are fixed to calendar papers for hanging on wall with the help of a thread loop in center.A small length of thread about two inches is inserted in metal rim while pressing papers.Manufactured by Sikandar Machines, please visit for Electric Power Operated Calendar Binding Machine at web page www.sikandarmachines.com/Electric_Calendar_Rimming_Machine.htm