Inspect older commits

Bring the whole working directories into a state representing a previous commit. The procedure listed below in non-destructire because it does not change remote repo.

git log
  view the list of commits

git checkout -b someBranch 33dbb94b5
  creates a branch refering to a specific commit and 
  switches to this branch

Cleanup: switch to the main (or master) branch, view the newly created branches and delete them.

git checkout main
  or master

git branch -a 
  view all branches

git branch -d someBranch
  delete a branch