How I flip my canvas and toggle grayscale when I draw with grease pencil

Tutorials, Tips and Tricks
1

https://youtu.be/vpJdAFwE5S4?t=42

These were my 2 favourite tricks as a 2D illustrator, so when I made the switch to Blender after falling in love with grease pencil I needed to find an easy way to do both. And here’s what I came up with!