1. In the future, you can wipe the project down with mineral spirits
snd it will show all the glue spots before you stain.
2. In the future, don't follow Norm's advice (I rarely say that) and
use a sponge or wet cloth like he does. Let the glue squeeze and about
an hour later (depending on the weather), scrape it off witha chisel or
3. In your current situation, don't bother sanding. It's too
ineffective in tight spots. Get an actuall scraper, sharpen that sucker
up, burnish it, etc. and reomve peels until you hit fresh wood.
Alternatively you can use a razor glue scraper or a crazy sharp chisel.