Cutting Stock for Whip Graft
The stock cut on one side is split with the knife to receive a cion cut as shown previously. The picture shows the exact method of procedure. It will be seen that this is a modification of the cleft graft. The whip graft is used for small branches, usually not larger than the one shown here.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 3 Chapter 5