What is this?
Why are these things made of wool?
It’s all part of a debate that is playing out around the world as governments struggle to tackle the epidemic of climate change and global warming, particularly in countries like China and India.
It is a complicated and often contentious topic, but one that can be summed up by a simple question: why do these things exist?
The answer, it seems, is that they do.
But it’s not necessarily because people who are making them love wool, or are looking for a warm, fluffy hat to wear around the home.
According to the Wool Science Institute at the University of Wisconsin, the answer is a bit more complicated than that.