MO-2800 Air Threading Technology Made Simple 2-Needle, 2/3/4-Thread Overlock with Easy Threader and Differential Feed BONUS includes 4 x cones A& E 5000m quality 100% polyester threads Only from Auckland Sewing Newly enhanced, user-friendly serger that achieves the ideal of sewing. Easy and fast threading! Easy Threader (Upper/lower looper threads) Using the easy threader feature, easily thread the machine from the threading hole to the looper with the power of a strong whoosh of air sent from the electric motor. This amazing function makes it fast and easy when threading the upper and lower looper. Check online for all features https://www.youtube.com/watch?v=ER4vS3hb-UA&t=3s