This is The Ultimate Ruffler. Rufflers have been around for a very long time and have changed very little over the years; they have however remained very popular. Although at first sight a ruffler may appear bulky and complicated its innovative design actually makes it very easy to use. This design allows fabric to be ruffled or pleated to the desired fullness quickly and easily and also has the capability to vary the sizes of ruffles. Fits ALL Janome sewing machines!