Does anyone have any experience with this mask or one of its variants?
https://www.amazon.co.uk/dp/B074L1N1DC/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=1QMVUMDWIP9TL&coliid=IROXAB0JBCIY2&psc=1
https://www.amazon.co.uk/dp/B074L1N1DC/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=1QMVUMDWIP9TL&coliid=IROXAB0JBCIY2&psc=1