The maker's mark is recorded through interdisciplinary means: framed as individual glass sculptures; as refracted light, photographed in black and white; and as archived ink prints on paper. The mark, embedded in hand crafted glass, and re-focused as the subject of an investigation, remembers the moment of exchange between a gaffer and assistant. Material and context expose potential in the the moment of exchange as a site to celebrate individuality; challenge hierarchy; and dissolve boundaries between art, craft and design.