I tried this around 20 times to 'slide' it on from the left side, and was getting frustrated. My friend came over, laid the cover on the top, and just snapped it down into place.
Tried this and yes, it worked well. Touch ID works.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.