What do wildly-talented cosplayers love about the B 500? Everything. It’s faster than their looming deadlines. It’s powerful enough for crazy materials. And its embroidery capabilities are absolutely amazing. Cosplayers loves this machine and so will you! sewing machine, any of various machines for stitching material (such as cloth or leather), usually having a needle and shuttle to carry thread and powered by treadle, waterpower, or electricity. It was the first widely distributed mechanical home appliance and has been an important industrial machine.