Cutting the weft yarn: After the weft insertion is completed, precisely cut the weft yarn to ensure a neat weft edge;

Trimming waste edges/selvage: Simultaneously remove excess yarn on both sides of the fabric (i.e., "trimming"), ensuring the quality of the fabric surface and subsequent processing efficiency.

This component typically utilizes carbide-tipped blades and requires precise coordination with the shearing mechanism of the loom, making it a high-frequency consumable textile machinery accessory. It is not a handheld tool and cannot be used for daily cutting