FN to Hyper Modifier Key Hyper:(ctrl+shift+cmd+opt). For System Wide Shortcuts. Hat Tip: Brett Terpstra. private.hyper --KeyOverlaidModifier-- KeyCode::FN, KeyCode::COMMAND_L, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L Tap Caps Lock: Escape. Hold Caps Lock: Right Control. Helps with cancelling, need to have Caps Lock mapped to it (62). private.escape --KeyOverlaidModifier-- KeyCode::CONTROL_R, KeyCode::CONTROL_R, KeyCode::ESCAPE Caps Lock (Right Control/keycode 62) + I = Up Diamond Keys Style private.diamond_up --KeyOverlaidModifier-- KeyCode::I, ModifierFlag::CONTROL_R, KeyCode::CURSOR_UP Caps Lock (Right Control/keycode 62) + K = Down Diamond Keys Style private.diamond_down --KeyOverlaidModifier-- KeyCode::K, ModifierFlag::CONTROL_R, KeyCode::CURSOR_DOWN Caps Lock (Right Control/keycode 62) + J = Left Diamond Keys Style private.diamond_left --KeyOverlaidModifier-- KeyCode::J, ModifierFlag::CONTROL_R, KeyCode::CURSOR_LEFT Caps Lock (Right Control/keycode 62) + L = Right Diamond Keys Style private.diamond_right --KeyOverlaidModifier-- KeyCode::L, ModifierFlag::CONTROL_R, KeyCode::CURSOR_RIGHT Caps Lock (Right Control/keycode 62) + K = Up Vim Style private.vim_up --KeyOverlaidModifier-- KeyCode::K, ModifierFlag::CONTROL_R, KeyCode::CURSOR_UP Caps Lock (Right Control/keycode 62) + J = Down Vim Style private.vim_down --KeyOverlaidModifier-- KeyCode::J, ModifierFlag::CONTROL_R, KeyCode::CURSOR_DOWN Caps Lock (Right Control/keycode 62) + H = Left Vim Style private.vim_left --KeyOverlaidModifier-- KeyCode::H, ModifierFlag::CONTROL_R, KeyCode::CURSOR_LEFT Caps Lock (Right Control/keycode 62) + L = Right Vim Style private.vim_right --KeyOverlaidModifier-- KeyCode::L, ModifierFlag::CONTROL_R, KeyCode::CURSOR_RIGHT