Parent & Unparent
→ Demo Hotkeys:
- Parent: 
Alt + P - Unparent: 
Alt + Shift + P 
Let’s you select multiple objects in the viewport, and adjust their object hierarchy.
Mimics the parenting/unparenting behaviour of Maya, based on selections:
- All other selected objects get parented under the last selected object.
 - “Keep position When Parenting” is automatically checked for all child objects.