Need help customizing a wrench (as a gift)

I’m looking to write a message on a 7/16th or maybe an adjustable wrench if I need more space. I’ve considered wrapping it with electrical tape and using a sharpie to write, looking online at engravers, painting it + sharpie, spray painting + sharpie, and lastly nail polish + sharpie.

If anyone has done a similar project writing on metal, what worked best? Cheaper is better as I don’t want to end up with an unused can of spray paint in the end… Any suggestions on methods?