: The thought is that
: I'd first create this groove along a length of cedar strip, then
: apply the strip, stain the deck to create the color I'm looking
: for, and then later apply the string inlay made out of white
: cedar into the groove as shown in the Fine Woodworking video.

Sounds like a good plan, but - as Bill says - practicing first is a good idea. Cleaning up excess glue from the accent strip might mess up your stain on the adjacent strips. Don't use oil based stains, of course.

Wire inlay, like Kim talks about, is nice, too, though not what you are describing. Here's a pic of some of mine, in any case.

Good luck!
Dave