The clapper is the essential tool for flattening seams, collars, edges, pleats, hems Provides professional looking results Get flat, clean seams and pleats ideal for sewing, quilling, and all jobs that require sewing and ironing. Professional quality High quality fine-grained solid beech wood Sanded perfectly smooth. Deep side grooves for comfortable handling. Practical features The pin cushion allows you to keep your pins close at hand. A 15 cm scale is engraved on the side for quick and easy measurements. Easy to use Press your seam with the steam iron. Lift the iron and immediately place the clapper over the seam, trapping heat and steam. Hold for a few seconds and then remove the flap.