The Harris Tweed Act, the act of Parliament that governs hiw Harris Tweed is made, stated that it has to be done on people powered looms (it's probably written using bigger, posher words but you get the idea 🤣). The loom has to be powered by a human, nowadays its leg power using, for most looms, pedals like you get on a bike. A few older looms are still in use and use treaddles instead but still powered by legs. The very old looms also needed arm power to throw the shuttles by hand but those ar