Concave Mouth Single-Fold Binder Folder for 8B / LS-341 Cylinder Bed Sewing Machine
Designed for bag making applications, this single-fold binder folder is compatible with 8B, LS-341, LS-1341 and other cylinder bed sewing machines. The integrated concave-mouth design provides smoother material feeding and helps prevent fabric scratching, catching, or damage during the binding process.
Available sizes:
19mm (3/4″)
22mm (7/8″)
25mm (1″)
Available thickness options:
S – For light materials
M – For medium-weight materials
L – For heavy materials
Suitable for canvas, leather, handbags, and other bag-making materials. A reliable binding attachment for handmade bag makers and professional sewing workshops.












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