There is more than 1 band called Stillsuit:
These are photos from concerts where Stillsuit played, so they may be of other bands that played the concert as well.
Clockwise / Errortype:11 / Pilot to Gunner / Stillsuit Sep 20, 2018 New York, New York, United States Uploaded by Michaela Morgan
Earth Crisis / Vision of Disorder / Stillsuit / downset. Mar 29, 1997 Syracuse, New York, United States Uploaded by Michaela Morgan