It was huge! After a fair amount of sniveling, digging around with a needle, and internal speculation about what would happen if I showed up at the emergency room with a foot splinter, I removed it. But not before some panic. One internet site told me to soak my foot in water to soften the skin and aid removal. Another warned against soaking a wooden splinter for too long, because it can expand. Adding to my frustration, it took me forever just to get this photo that doesn't even come close to showing the horror show that was my foot after I washed it, post-removal:
On the plus side, my soles are looking pretty smooth today. Thanks, overly pushy nail salon owner!
Anyway, here it is. The splinter that almost took me down, along with the tools I used to remove it, and a dime for scale:
I'm pretty sure I am now qualified as a surgeon in certain states.