Sorry, I missed Boolbar and Simons: [B] The person's face is visible. (Knowing murmurs from the audience.) [SM] Not scientific (but approving murmurs from the audience).
[SM] It is not, but that's on me for not having any previous knowledge of a landform called Lord Hereford's Knob. [b] It...certainly protrudes from it, but no, more localised than that.