There are three bands that go by Pocketknife. One is a band based in Brooklyn, NY. They began playing shows and recording in 2008. The band features music written by guitarist/singer Colin Killalea and includes Jordan Brooks on bass/vocals and Robby Sinclair on drum/vocals.
These are photos from concerts where Pocketknife played, so they may be of other bands that played the concert as well.
Give / New Brigade / Fury / Discrepancy / Pocketknife Jan 31, 2015 Pomona, California, United States Uploaded by Evan Sodman