The tip is a wire that heats right up to 2,500 degrees and slickly sears through a nail. The other gizmo is a neat little battery powered drill that buzzes quickly and painlessly through a nail. The holes need to be made before the liquid gels. After about 24 to 48 hours they might not help much. Also, that nail likely will leave you after some months.
Fingernails grow out in six months, toenails in a year.
It should go without saying that, if your pinkie was pounded rather powerfully in the process by, say, a hammer or car door, you might need to see if you broke any bones. It isn't a necessity. The bruise slowly will reabsorb by itself. But the pressure release can produce a real gush of relief. If your technicolor tootsies could talk, they might want to tell you they truly aren't as tough as nails.