(this is not a mutually exclusive list, so Kalani can be doing these same things)
1. He had a genuine love for his players success on and (especially) off the field.
2. His organizational design philosophy is great (seeing Running into the Wind; fantastic book regardless of your opinion of Bronco)
3. 3-4 defense and how he ran it.
4. Blitz packages and how he could disguise it.