Useful vector math friends helped me with.
Usually this friend is Jan Kaluza :)  Check out his ressources

https://twitter.com/jkashaar 
https://twitter.com/i/events/1064095060319498240 
https://www.artstation.com/broadstrokes 
https://www.youtube.com/channel/UCQo-M_M9BVl6ByloRxAMiYQ 

Find Min Max values from Component Bounds for "Make Box" in the blueprint editor

this video tries to explain how to detect physical surface types of materials the player walks on and set some movement component settings accordingly to fake a slippy ground. i.e. make the player slide on ice or any other slippy surfaces.