I have a question about the "add to..." and "subtract from..." button options when using selection tools in Photoshop.
I understand a few things:
- PS will make a new selection by default
- Holding Shift or Alt/Opt will add to or remove from selection temporarily (as long as the modifier is held down)
- One can click on the options in the tool panel to add to/remove from the selection to avoid holding the modifiers down.
Is there a keyboard shortcut that is the equivalent of clicking the add/remove options in the tool panel? In other words, instead of using the shortcut of press/hold shift/alt to modify your selection mode, is there a key press that activates those modes, without having to hold the modifier?