Grid Bubble — Show and Hide Ends — Settings reference

Walkthrough

Control	Options	Effect
Top / Bottom	Vertical grids	Show or hide the top and bottom bubble of vertical grids.
Left / Right	Horizontal grids	Show or hide the left and right bubble of horizontal grids.
Scope	Selected or visible grids	Selected grids limit scope; otherwise inspect all visible grids in the current view.

Evidence boundary: Top/Left setting applied; visible bubble-head result remains unverified in the current fixture.