There have been at least two artists / groups that use this name.
These are photos from concerts where Summer Salt played, so they may be of other bands that played the concert as well.
Tropicalia Fest 2018 Nov 3 - 4, 2018 Long Beach, California, United States Uploaded by Edith
Turnover / Summer Salt / Mannequin Pussy Apr 20, 2018 Indianapolis, Indiana, United States Uploaded by Goation
Turnover / Mannequin Pussy / Summer Salt Apr 12, 2018 Las Vegas, Nevada, United States Uploaded by Marilyn Zavala