This mixer was built to significantly increase the privacy of the Oslo Network if the user chooses to use it. This was based on the original Tornado Core repo on Github, though with extensive modifications to bring the dependencies up to date and to support Substrate/Frontier based chains.
Open the browser dev console to see mixer output
Make sure your Metamask is unlocked and connected to Oslo before using.
Deposit Withdraw

Users can interact with the contracts on their own by modifying the javascript from this page.