1) A large iron nail, evidently worth sharpening.
1538 sherpyng of gret old brages, St Michael’s, York. Perhaps the word should be compared with 'brod' which sometimes had the alternative spelling 'brog': 1357 Item, bragges empt’, iijd, York
1371 Et in 100 brags emptis pro le schaffald in fabrica, 3s, York
1456 pro diversis clavis, viz., viij.c bragges, York
1544 20 grete braggs for making of the hoopes of both the rammes, Bridlington
1651 for plates and braggs to fasten the seates, Sheffield
1769 fifty iron nailes commonly called brag nailes alias spykes, Topcliffe.