In fashion and sewing, a "zip bulge" is a common issue where a zipper does not lay flat against the body, causing an unsightly curve or bump.
: Shaping the center back seam of a pattern to match the body's curve rather than using a straight line. bulve.zip
Based on your query, there appears to be a slight typo. You are likely looking for information regarding (sometimes referred to as zipper puckering) or possibly bulve , which is an older term for certain types of bulb vegetables or specialized anatomical structures. 1. Zip Bulge (Zipper Puckering) In fashion and sewing, a "zip bulge" is