dropped-lip catchplates

Preferred label
dropped-lip catchplates
Alternative label
shovel
Note (en)
Note
Catchplates, the outer ends of which drop down over the edge of the board before rising to create a gutter-like groove into which the hooked clasp fastens. Dropped-lip catchplates, especially if nailed into shallow recesses on the surface of a board will keep the clasp within the thickness of the bound book, and would therefore be relatively safe to shelve vertically.
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