The machine can be used forlockstitch, zigzag stitch, two
point and four point zigzag stitch and according to the different
shaft-offset mechanism, you can have more than *1 different kinds
of patterns.
The machine is equipped with a hook-driving shaft-offset
mechanism which places the hook-rotating shaft off-center from the
center of zigzag stroke of the needle. This machinanism allows the
blade point of the hook to catch the needle thread every time
regardless of the needle throwing direction.
