How to grow monstrosus minor ruba cactus from stem cuttings | propagation of crested apple cactus

In this tutorial you will learn
1. How to grow cereus peruvianus monstrosus rojo cactus from stem cuttings.
2. Propagation of crested apple cactus from stem cuttings.
3. how to make new plants of crested apple cactus from an already existing plant.
4. How to multiply crested apple cactus plant.