Specifications: This simple device can update the normal flat embroidery with special coiling embroidery functions. There are 850rpm, 1000rpm and 1500rpm 3 series for option. These devices can be fixed to any brand old or new flat embroidery machine, no matter it is Tajima, SWF or Chinese brands control system, and no need to make any modification on the original control system. Main features: Good practicality, low cost, simple and reliable mechanical structure, simple installation, no influence over the other needle embroidery, and very low maintenance costs relative to the traditional chenille embroidery machine. Optional installation on the first needle or the last needle. Embroider with any threads(maximum 5mm diameter) used in the traditional coiling tape embroidery machine, bead threads, or tube threads, with perfect effect. Completely independent control system. Can be connected to all kinds of the electronic controllers on the market without damage of the original circuit. Speed up to 1500rpm. There are 850rpm, 1000rpm and 1500rpm 3 models as option. Higher efficiency than coiling embroidery machine. Auto-send threads control. Artificial regulation of the speed and the tension of the auto-send threads to meet the embroidery demands, which improves the quality effectively. Fine tuning of the tracking angle according to the embroidery demands, to improve the quality of embroidery. With single-head and full-head lift functions.