This Janome MB4 Hat Hoop provides the needed support to stitch on caps with your Janome embroidery machine. The front clamp holds the bill of the cap down in order to stitch directly on the front.  Compatible with the following machines:

Janome MB4
Janome MB7
Janome Memory Craft 12000
Janome Memory Craft 14000
Janome Memory Craft 15000