Smartek RX-07 Mini Sewing Machine with Pedal. Sew professional-quality creations at home with the Rex cordless sewing machines. Rex sewing machines have been used in the garment industry for over 80 years--now this high-quality brand is available for the home sewer.Using double-threading, the machine offers a durable lockstitch for any mending project. Its cordless design lets you take the sewing machine to the project and it sews through all kinds of fabric, from silk to denim. The Rex machine even works on arts and crafts projects.