There are at least three groups using this name:
These are photos from concerts where Loose Tooth played, so they may be of other bands that played the concert as well.
A Day of Clarity 2019 Aug 10, 2019 Adelaide, South Australia, Australia Uploaded by Stan Stan Stan
Courtney Barnett / Loose Tooth Jun 2, 2018 Glasgow, Scotland, United Kingdom Uploaded by Craigf84
Courtney Barnett / Loose Tooth May 30, 2018 Brussels, Brussels Capital, Belgium Uploaded by Dead Wax45
The Smith Street Band / Loose Tooth / Fear Like Us / The Saxons Jan 30, 2016 Launceston, Tasmania, Australia Uploaded by Kmykmykmy