The original tutorial used a wood burning tool to burn the name of the dog. I don't have one of those but knew I could think of something using the materials I had. The original DIYer suggested giving this to a dog as a toy, which I do not recommend.
I got the balls from the Dollar Tree. (Two for $1!) They came in a variety of colors, including red and green for Christmas!
I cut an X on the top, to stick my silver tinsel string. You need a fairly thick ribbon or string to assure that the loop doesn't come out.
I used my die cutter machine to cut the names. Once using a specific stencil material that didn't work well and caused bleeding and one just a regular vinyl that I use for car decals. The vinyl worked much better, but when you pulled it away after painting (I used acrylic paint), it pulled all of the fuzz on the ball kind if smearing the lettering. I'm sure there are other ways to do this and I will definitely be experimenting with those!
If you don't have a die cutter you can print out the letters and use an Exacto-Knife to cut them out. You could also probably use Sharpies instead of paint. You could also do glue with glitter or puff paint.
It's fairly simple and cheap to make and are fantastic gifts! (Bonus: The balls I purchased already had paw prints on them!)