1. In your Chrome browser right click on the Luuma icon
2. From the drop down menu select "Remove from Chrome"
3 Now, goto the Chrome Web Store and search for "Luuma Clipper" or click this link https://chrome.google.com/webstore/search/luuma%20clipper
4. Select "Add to Chrome"
Make sure to close all previous chrome web pages for the updates to take effect.
Open a new webpage, find what you want, open the Clipper tool by tapping on the Luuma extension and source away!!
Enjoy :)