... front. Black, left and right.2,The position of the needle is adjustable about 5mm to 7.5mm to sew the ... front and back, which can prolong the life of the needle.4,Large hook swings in a direction of semi-revolving ... wheel or a hinged presser food to sew the stuff,6,Select a general Mocca Sewing Machine or a Mocca Sewing ... for Shoes, purses, leather products, and so on. Double needle Mocca Sewing Machine