This small, however essential part, usually made from metallic or plastic, holds material in opposition to the feed canine, enabling clean and constant stitching. Differing types are designed for specialised duties, similar to creating buttonholes, inserting zippers, or attaching particular elaborations. An ordinary machine typically features a general-purpose attachment for straight stitching and primary duties.
Constant strain utilized by this part is crucial for stopping material slippage and guaranteeing even sew formation. The proper selection can considerably enhance the standard of completed tasks and develop artistic potentialities. Its evolution, from easy strain mechanisms in early machines to the varied vary out there in the present day, displays the continuing growth of stitching expertise and methods.