One day I saw a fruit stand on the road. I wanted to buy it very much, but the small scale cases on the Internet made me worried about being cheated. I wish I had a scale now. I looked at my long-handled umbrella and thought that when I was a child, I always hung things on it. So some ideas arose, why can't we combine an umbrella with a scale? Scales we may not bring out often, but we often take umbrellas. With the following design.