Dmuta is a type of contract that is used in Japan, and it allows businesses to work with self-employed individuals and freelancers. It lets people work without the usual rules and regulations that come with a traditional job. Instead of having a fixed salary, the business and the self-employed individual agree to exchange services, and then pay each other based on the output of the services. This means that people who use dmuta can be flexible with how much they get paid, depending on how much work they do and how successful their projects are.