What properties should I set in TToolbar to show a beveled line between lines?

Question

What properties should I set in the TToolbar control to show the beveled line between the lines of buttons when the toolbar is set to automate.

in this image the toolbar displays only one row with buttons

If I change the size of the parent form, the toolbar redistributes the buttons to a larger number of lines, and a beveled line is added to the bottom of each line.

I tried with many properties in the TToolbar control, but when the toolbar is resized, a non-beveled line is added.

These are the current toolbar settings.

  object ToolBar1: TToolBar
    AlignWithMargins = True
    Left = 3
    Top = 3
    Width = 137
    Height = 74
    AutoSize = True
    BorderWidth = 1
    Caption = 'ToolBar1'
    EdgeBorders = [ebLeft, ebTop, ebRight, ebBottom]
    Images = ImageList1
    TabOrder = 0

And this is how it looks.

Answer 1

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