... collar,square collar,secretly button collar,open angle of collarcuffLarge round edge ,bell sleeve, double fold french cuff, angle ... cuff,circular bead cuff,right angle cuff,Front placketFront turn placket ,turn round placket ,hidden buttonBack bodyBoth sides pleat , ... as flat seamers, bonders, double needle machines, straight-end button hole lock stitching machines and eyelet button hole sewing ...