How to apply the long soak method to hardwood cuttings?

Starting with hardwood cutting in autumn till planting out in spring, what is needed for the development of roots? In this instruction, made for the treatment of hardwood cuttings, each step is explained in more detail.

The basal long soak method is explained in this animation video. 

The hardwood cuttings of grapes can also be treated very well with the basal long soak method. 

This instructional video provides information for the preparation of the Rhizopon AA tablet solution.