Hi Elena,
Yes, you have to shave the fur as close to the skin as possible as the adhesive won't stick to fur and added a few drops of VetBond. The last time I used it, I put it on my Ruby's neck and used a Kitty Kollar to cover it. That way she couldn't scratch it off with her back paws. Here's a video of her with the Kollar on.
Here is a link to a discussion of the Libre with a demonstration of how to put it on your cat: https://www.felinediabetes.com/FDMB...stration-explanations-tips-discussion.221630/
The sensors can only be obtained from a pharmacy with a prescription, at least here in the United States (I don't know where you are located).Ok thank you for letting me know, where did you buy your monitor i can't find one on Amazon?