Our study reports the use of a face mask, namely a nose lid (Figs. 1 and 2), to be applied to the patient during endonasal procedures for skull base pathologies as a further possible COVID-19 mitigation strategy. Numerous models of face masks have been proposed and tested by individual users, researchers, doctors, and commercial entities with varying degrees of success in other disciplines [9, 14]. At the moment, in our field, there are no models of face masks to contain the spread of the virus.