Easy-to-Understand Screen Interface Corner Knife System with Increased Sensitivity with Stepper Motor Interlining Unit with Increased Sensitivity with Stepper Motor Very Quiet Operation Easy Use and Maintenance with Its Specially Simplified Structure 30 Separate Programming Structure Possibility of Making 5 Separate Cycles in Each Program Improved Corner Notch System Stepper Motor Knife Station Ability to Work from 20 mm to 200 mm in Pocket Sewing