My understanding is that Tokonole does not penetrate the same way water or gum trag do. As a result you can used it to burnish most chrome tanned leather because you polishing the Tokonole rather than burnishing the leather. I made a bag out of the OA split plank and could not burnish with gum trag or water but I was able to burnish with Tokonole. Below are a couple of videos that I found on burnishing Chrome with Tok
https://www.youtube.com/watch?v=qGtVrUcUdYI
https://www.youtube.com/watch?v=B9TBhL0D7gI
For my watch straps I either use a large clip that is designed for closing chip bags OR, I use a 2x4 that I've cut a slot into. Depends on my mood as to which I use. :-)
