New Zealand beach volleyballers have sniffed out what could be the most bizarre life hack to deal with hot weather.
"Menthol has been proven to be really good when it's really hot to trick your brain into thinking you’re cold... You have a little sniff and then you think that you’re cold."
"We haven't used it [the sniffy things] in a while actually," adds Wills.
Menthol is a natural substance that's found in mint plants.
National Poisons Centre medical director Dr Adam Pomerleau encourages menthol stick users to follow instructions on labels and talk to their doctors.