... trimming device, effectively control the length of uniform socks, cut sutures, unity.4.Can be flipped into ... automatic lifting device , the more smooth delivery of socks.5.Feed fiber optic sensor time delay function, the ... of time.6.Dual-channel head sewn to make socks more solid and smooth7.Rated voltage: 220v Frequency ... gears to adjust the density of the socks , sewing.HD Photoes: Socks Making Machine