Using a Brake Shield is simple; watch this video and see how effective it is.
"Easy to fit, and stops you having to worry about spraying degreaser or oil onto disk brakes. Also catches any mess. Put a rag in the catch tray and its easy to clean afterwards as well".
Halfords Marketplace review
Top kit, easy to use and a lot less faff than old way of draping a rag over rotor! 👍👍