FABRIC LAYERS ARE PLACED UNDER THE FOOT AND GATHERED AUTOMATICALLY. MAKE RUFFELS FOR GARMENTS , PILLOWS OR OTHER HOME DECOR ITEMS. A NUMBER OF FACTORS WILL AEFFECT THE AMOUNT OF FULLNESS THAT IS ACHIEVED : STITCH LENGTH : IF ADJUSTED TO A LONGER STITCH – MORE FULLNESS , IF STITCH LENGTH IS SHORTENED – LESS FULLNESS. NEEDLE TENSION : IF NEEDLE TENSION IS TIGHTENED – MORE FULLNESS , IF LESS NEEDLE TENSION – LESS FULLNESS.