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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Thumbscrew ridge:

KNURLS: Thumbscrew ridges
KNURL: Thumbscrew ridge
KNURL: Ridge on a thumbscrew
KNURLS: Small ridges, as on a thumbscrew.
KNURL: Small ridge, as on a thumbscrew.