The SWF Embroidery Machine Cap Hat Hoop Driver Mount Quick Change is a textile machine part/attachment compatible with embroidery machines. It is specifically designed to hold and secure caps during the embroidery process. The quick-change feature allows for easy and efficient switching between different hoop sizes. This product is manufactured by SWF, a reputable brand in the textile and apparel equipment industry.

Please look at the pictures and ask questions. I am unsure what model machines this fits, so you'll have to do some research to figure out if it will work with your machine. 

Please look at the pictures and ask questions. I will gladly provide specific pictures upon request.