... trimming device, effectively control the length of uniform socks, cut sutures, unity.4.Can be flipped ... automatic lifting device , the more smooth delivery of socks.5.Feed fiber optic sensor time delay function, ... time.6.Dual-channel head sewn to make socks more solid and smooth7.Rated voltage: 220v Frequency ... change gears to adjust the density of the socks , sewing.10.The second head with automatic ...