The knives in Keith Kaiser’s 9/11 memorial project, from top: a skeletonized folder by Pat and Wes Crawford; an Allen Elishewitz folder; a Gil Hibben dagger with scrimshaw handle; a Bob Dozier damascus folder; a Bob Terzuola CQB fixed blade; a damascus folder by Mel Pardue; and a Jerry Fisk damascus Sendero.