Unlocking History Concept uri
https://letterlocking.org/doll/concept/315
Preferred label
lock–same substrate, attached
Alternative label
lock-SA; L-same, LSA (acronym); L-SA; single-layer lock; slice internally lock; slit lock; slit out lock; slit triangle wraplock; single layer locking mechanism; substrate attached; tongue; cut into lock; cut lock
Scope note
A lock cut into or sliced internally from the writing substrate of the letter, but not detached entirely before it is used to secure the letterpacket shut. A folded single-layer flap can also be a lock-SA SA. signifies “same substrate, attached.” Also referred to as lock-SA.
Top concept
features
https://letterlocking.org/doll/concept/605
Related concept
lock–same substrate
https://letterlocking.org/doll/concept/314
Related concept
lock–other substrate
https://letterlocking.org/doll/concept/313
The Arts & Architecture ThesaurusⓇ Online, The Getty Research Institute Concept uri
Not in AAT
The Language of Bindings Thesaurus (LoB) Concept uri
Not in LoB
Scope note source reference
Source
Jana Dambrogio and Daniel Starza Smith with the Unlocking History Research Group. Letterlocking: The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.
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