And that may be all you need for many scions. Still …
I can’t get over how good an idea wax-dipping is. I’ve stayed away from it because I just don’t do very many scions, but I do have a little bitty slow cooker somewhere, and I might just try using that this year. Dax (@barkslip) gives a demo here: https://www.youtube.com/watch?v=-S8yL8hj-Cg and @Just Anne4 has her version: First time grafters: what's working, what isn't? - #165 by JustAnne4 And here’s a post Dax made a while back: 2017 Grafting Thread - #9 by Levers101 .
The wax, by the way, should also help protect the scion from issues caused by mildew.