When you turn on this option the button will turn on the modifier until the pen is used. 'Tap to unlock' - This option let's you use modifiers in programs that have a conflicting setting.
Surface Pro 7 and Microsoft Surface Book 3 compatibility added! *(NOT compatible with Surface Pro X)
Use the Pen Tool to use CTRL, ALT or SHIFT modifiers or keyboard shortcuts by pressing the side or Bluetooth button on your stylus while working in Photoshop, OneNote, Zbrush, Krita, Blender, Maya, Sai, Clip Studio Paint, Rebelle, Sketchbook, Blender, Expresii and many others by changing how the Pen works.
