Machine with inserted link to sew the stuff, and its useful ... .5mm to sew the article. 3,Available to adjust large hook in the direction of front and back, which can prolong ... the life of the needle.4,Large hook swings in a direction of semi-revolving,5,Select a ... sew the stuff,6,Select a general Mocca Sewing Machine or a Mocca Sewing.7,Machine with inserted link to sew the stuff, and ...