Hi,
Here is what I do. Before I do a final scrape, I stain the stock with a water based light colored aniline dye as shown below.
I then scrape the stock removing all of the stain, which shows me where I still need to scrape. During this process, I am also whiskering the stock. I usually only need to do this once before applying my final stain. After staining, if I want a smooth finish, I burnish the stock with a polished antler tip:
Then I apply finish. However, if I am building a military musket, I don't usually whisker at all. I apply stain after the final scraping and then a first coat of finish. Then I burnish the stock with the antler when the first coat is dry. That creates a slightly textured finish appropriate for these guns.
dave