“…Practically, however, a 'difficult airway' is a common descriptor signifying, but not distinguishing between, a range of conditions. (Some have even argued that a 'difficult airway' does not exist, rather only a range of 'complexity factors' [41]). As such, no single airway device will satisfy all clinical situations or the preferences of all operators and patients; furthermore, one would expect from 'expert' anaesthetists that they would have a 'repertoire' of techniques at their disposal, and draw on the appropriate one(s) as needed [42,43].…”