You may also remember how every corner had refused to relinquish its layer of poly and accept a new color of stain. Sanding these devils was a real nightmare, and I just wasn't able to sand all the old poly out from the corners no matter how hard I tried.
And of course here is the legendary before and after:
Re-staining oak stairs is certainly not on my list of favorite renovation activities. If I ever have to restain stairs again, I would definitely use this method for the corners, since all the effort I put into sanding the corners ended up being a an unsuccessful waste of life anyway.