Yep. Or it's a perforated metal thing that you need to gouge out.
Later on after you reinstall the drum, you'll need to tighten up the adjuster using the reverse technique so the shoes engage the drum.
You may need a skinnier flathead or a better yet buy a brake shoe tool
Later on after you reinstall the drum, you'll need to tighten up the adjuster using the reverse technique so the shoes engage the drum.
You may need a skinnier flathead or a better yet buy a brake shoe tool