Product features: Can use a variety of different needle, and a special accessories, traction type presser foot and tug wheel, applicable to all kinds of thin and thick material stickers with only sewing and overlapping lap seam. 2. The feed roller and special accessories and various needle byte pull, can also be installed elastic belt feeding adjusting device, applicable to all kinds of elastic belt sewn. 3. It can be used with various needle byte, special accessories and pull material roller with differential type roller, applicable in the car of all sorts of placket seam and straight line or curve pants sewn.