4 flap or Banana graft method

I just watched a You Tube video showing the 4 flap graft method on a Pecan tree. Is this strictly for pecan or can it be used on other trees?

I’ve successfully used 3 flap grafts with black walnut, heartnut on black walnut, jujube, and mulberry.

I’ve used it for pecan/hickory on pecan and various walnut species onto black walnut … but nothing else - but suppose that if you had fairly large-caliper scion and understock… it would be a reasonable approach - sure gives a LOT of cambium contact, if you do it correctly.