... machine can knit more variety of socks, such as tabby,rib,three dimensional mesh,collective circle,pile loop,half pile loop,partial ... with Y heel,,multilayer rib collar,additional thick in sole socks,sock trousers, wrist support.Technical Features:1.The whole ... controlled by computer.2.Adopting stepping motor to adjust yarn tension.3.Yarn channel triangle controlled by the electronic air compressor.4 ...