I installed "Trunk grille" myself. This one:
Trunk grille
Part number: DMM630001
- fitted behind back seats close behind head rests
- protects from unwanted luggage shift from boot
- enables 100% boot usage
https://eshop.skoda-auto.cz/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10101&storeId=10001&productId=1100000000245489&langId=-1
First I bought this:
Than, according manual I need original tool MTX 9-193/A which I fabricated like this :
Here is pictures from manual to understand which kind of job this is:
In the manual you can see place for drilling the hole for holding bolts.
Finaly, installed it looks like this and take 10 seconds to remove:
I found it very useful, when I need bigger boot space in Yeti.