The Janome Hat Hoop Insert is designed to work with the Janome Memory Craft 10001, 10000, 9700, 9500, 350E and 300E. This accessory provides the needed support to stitch on caps with your Janome embroidery machine. The Janome Hat Hoop is inserted into the Large Hoop B, instead of the inner hoop. The front clamp holds the bill of the cap down in order to stitch directly on the front. Even though the Large Hoop B is used for this accessory, all designs must be within the Standard Hoop A (5" × 4.3") embroidery field.<br><br> Use with: MC11000 Special Edition, MC11000 (must have RE Hoop - part# 860421001) MC10001, MC10000, MC9700, MC9500, MC350E, MC300E (must have B Hoop - part# 850802010), MC400e and MC500e (fits in the RE20b hoop)