Metal
Hold up an index finger with one hand. Then, with the other hand, make the "M" hand sign with the fingers pointing towards the side, and the palm facing downwards. Swipe the "M" past the index finger, from behind it to in front of it.
Hold up an index finger with one hand. Then, with the other hand, make the "M" hand sign with the fingers pointing towards the side, and the palm facing downwards. Swipe the "M" past the index finger, from behind it to in front of it.