Are you a prankster? Do you think your better half is a funny person? Then you should try this on your wife. Time to test if she has a sense of humor, if you married the funny one. But be careful, presenting this to your girlfriend while you kneel can result in being dumped right there once she realizes what this is. Gag gift only for extremely confident males. If you wan’t to double prank her then hide the real engagement ring inside the mug. What we can be sure is that the results will be unpredictable at best. You have been warned!