No info on Amazon but I googled and found this lol.
You know the situation, provides:
Your glass nougat cream or jam is coming to an end and begins a wild poke and Kratzerei with a spoon or bread knife. It had come to have not just for himself an arduous ordeal of the last 10% of the content, which was at most in low-reach corners of the glass, and your table mates could imagine, more pleasant sound than wild strumming of your cutlery in the glass .
The newest product from Zielonka, now offers an ideal solution for emptying of various Nougat cream, jam or other glasses. Not only the most curved bottoms of these glasses are not a problem, even depressions under cover caps can easily be created without great effort or hassle free "Rumkratzen", all of the content. If this is done, use it directly as a string instrument.