Adventure-seekers have favorites, essentials, and emergency items that they simply can't go without. The North Face ThermoBall jacket is all of these – ultralight, packable warmth that's made for exploration.
Sigils for magick - again, some of them are purely so that they can be spotted when others use them, especially that 'Creator' Talisman. You'd have to be suicidal or insane to use that...