Flat fabrics can be embroidered on any machine depending on sewing field size you require. Generic and model-specific Hat/Cap hoops for the flat bed machines are available, but it is a very slow process with very narrow sewing field sizes. True hat/cap set-ups are those industrial embroidery machines with cylinder arms, cap drivers and cap hoops for rotating the caps while embroidering on them. Embroidery is the most profitable form of apparel decoration.
Common Reasons for Sewing & Embroidery Machine Malfunctions