Ford Focus Wiper Replacement

What on earth is this doing here? One of the cars I own is a 2006 Ford Focus. Great little car, but the simple task of replacing the windscreen wiper rubber isn't so simple. And it's not in the Manual. For those other frustrated Focus owners, here are the instructions for replacing the wiper rubbers on a 2006-2007 Ford Focus!

You will proably find that levering off the end cap takes quite a bit of force. I am not sure how many times you can do this before the cap breaks. One of the caps on my car wouldn't click back securely, so I had to use a drop on contact cement to keep it in place.

 Ford Focus wiper Replacement