Another small, simple item, that makes a difference in daily life if you use your own kitchen often, which most people do.
Take any standard bottle, like a beer bottle, a soda bottle, or my favorite, a half liter wine bottle, put one of these on them, and you have a controlled easy pour out of whatever container you're using.
The most noticeable comparison is likely with oil pour spouts you'd see at restaurants which this is perfect use for at home, I've also used it for creamer, hot sauces, d