First select the root joint (the one that all other joints are beneath) Then in rigging menu category, -> Bind Skin (options) Bind to: Joint Hierarchy (all joints underneath the selected joint) Bind Method: Closest distance should do, but you could try heatmap as well. Then Apply and Close. This will do what you did…
Try this: Select the object you wanna move and activate Move Tool Select the handle on the X-axis of the Move Tool (red arrow), so it will turn yellow Press and hold V key. Middle mouse to move object on the X-axis to a vertex Ready