Industrial Sewing Machine Grip Snip Thread Cutter With Concealed Knife. No matter what the operator is sewing (dresses, collars, pockets, shirts, shorts, etc.), this device will catch and cut the thread and hold it for the next operation. Simply attach it to the presser foot bar with same screw that holds presser foot. It will not interfere with normal sewing; but can be used when needed. Spring holds thread, preventing the needle from becoming unthreaded. Sharp blade mounted above spring cuts thread instantly. Eliminates : Needle rethreading, picking up scissors to cut thread, and bunching of thread at next operation. Cuts down on thread waste, breakage of needles and labor costs.