Sharpness of vision, thought, or other senses. It has been used to refer to acts of physical skill (think gynmastics, which it sounds like it should work for), but it's more in the head. It is not what results from Heady Topper, however.
Gregg PopovichCountingFiveOne for the thumbSpursGregg Popovich could not be reached for comment?
It's been a while since we've had a good "how it's made" video on here, but that ends today. Cymbal maker Zildjian dropped a ten-minute video showing how their cymbals are made. It's especially interesting to watch the lathing and hear the weird sounds made by the cymbal:
VideoHow it's madeCymbalsZildjianWhat's the most annoying sound in the world?Sizzle, not steak?