I was very excited when I first bought this for my fiance. It made a hilarious birthday present, especially when opened in front of the rest of the family.
As a novelty, it's perfect.
If you intend to actually use it, that might be another matter.
The first wine bottle we stopped, when we went to pull out, Happy Man's 'Appendage' stayed put. It now appears we have a happy lady. We ended up having to prise his equipment out of a glass wine bottle using a wrench.
So it's good for a giggle, but it didn't live up to my practical expectations. I'll have to settle for my boring bottle stops instead.