Bulve.zip -

: Pulling or stretching the fabric while sewing the zipper in can cause it to "wave" once released.

: Industrial manufacturers often use a heat press to stabilize zipper length before it is sewn into high-precision garments. HOW TO REDUCE THE ZIP BULGE TUTORIAL | KIM DAVE bulve.zip

: Shaping the center back seam of a pattern to match the body's curve rather than using a straight line. : Pulling or stretching the fabric while sewing

: A straight zipper placed on a curved seam, such as the lower back, often creates a bulge because it doesn't follow the natural "S" curve of the spine. : A straight zipper placed on a curved

: High heat from a dryer can cause the cotton tape around a zipper to shrink while the rest of the garment does not, leading to a puckered effect. Fixes and Prevention: