My karabiner code

private.xml

<?xml version="1.0"?>
<root>
  <item>
    <name>F19 to F19</name>
    <appendix>(F19 to Hyper (ctrl+shift+cmd+opt) + F19 Only, F19)</appendix>
    <identifier>private.f192f19</identifier>
    <autogen>
      --KeyOverlaidModifier--
      KeyCode::F19,
      KeyCode::COMMAND_L,
      ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L,
      KeyCode::F19
    </autogen>
  </item>
  <item>
    <name>Hyper+Tab To Capslock</name>
    <appendix>Hyper(cmd+ctrl+shift+opt)+tab, send capslock</appendix>
    <identifier>private.hypertab2capslock</identifier>
    <autogen>
      --KeyToKey--
      KeyCode::TAB, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L | ModifierFlag::COMMAND_L,
      KeyCode::CAPSLOCK
    </autogen>
  </item>
</root>