Small Tailors Clapper The Tailors Clapper is a must for sewing and ironing. It is used to press seams without burning. Used with steam from your iron, press the area with the clapper and hold for just a few seconds, it will leave a nice crisp seam. Oak . Both sides have routed grooves to offer easy handling and is unfinished. Width Measurements are 2in tapered down to 1 1/2 in , Length is 8 in. Colors may vary from the above picture, they may be lighter or darker depending on the variations of color in the wood used.