Why you need this tool Create consistent, decorative corrugation and folded textures quickly without complex equipment. Compact, manual operation gives precise control for craft projects, school work, and small production runs. Lightweight ABS construction makes it safe and easy to handle for children, students, adults, and artists. Key benefits Simple and reliable: place paper into the gear and turn one of the two knobs to crimp; turn several times for a deeper wave effect. Consistent results: the rolling mechanism produces even folds and wave patterns every time, reducing trial-and-error. Portable and user-friendly: no power required, easy to store and transport. Features and specifications Function: manual paper crimper for making folds and wave textures. Capacity: crimping width up to 4.13 inches. Compatible materials: cardboard and colored paper. Construction: durable, lightweight ABS plastic, easy to grip and operate. Controls: dual knobs for simple rotation and adjustable texture depth. Typical applications Scrapbooking and card making: add textured borders, backgrounds, and accents to greeting cards and photo pages. School and art projects: quickly produce uniform waves and folds for dioramas, posters, and craft assignments. Gift wrapping and small décor: create decorative paper trims, party garlands, and handmade embellishments. How to use (quick steps) 1. Insert the paper into the gear between the rollers. 2. Turn one of the two knobs to feed and crimp the paper. 3. For a deeper or more pronounced texture, rotate the knob several times until you reach the desired effect. This tool delivers an easy, repeatable way to add folded and wavy textures to paper projects while remaining lightweight, safe, and simple to operate.