bolt-on
(redirected from Bolt-on neck)Also found in: Wikipedia.
bolt-on
adj
supplementary or additional: a bolt-on prologue.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014