... belts, luggage, tarpaulins, tents, book bindings, etc. This machine is equipped with unison feed mechanism and semi-rotary large capacity shuttle hook ... boots, holsters, knife sheath, purses, etc.With powerful unison feed, the machine can sew accurately and easily several sheets of heavy weight ... .0.19 CBM TY441 Long-Arm, Cylinder-Bed, Unison-Feed, Extra Heavy Duty, Lockstitch Sewing Machine