According to a recent report by the Polytechnic of Turin, if the current mindset on dealing with the Coronavirus pandemic persists, in the near future Italy might need millions of disposable, single-use breathing masks per month. We all know very well where these masks will go after being used once, and since wearing them might become compulsory at work, in shops, on public transport and even in the streets of our cities, we must learn how to make our own, re-usable masks, unless we want to discharge on Mother Nature the cost of yet another one of our collective delusions.