Along with Rituals can facilitate deep work, Book - Deep Work.. 3 Rules for Focused Success in a Distracted World raises another way to make it easy to switch to Deep Work mode: Making radical changes to your life or your surroundings (at least temporarily)
Jung's cabin in the woods that he retreated to to write for months at at time and JK Rowling's retreat to a hotel to write the last part of harry potter are examples of these gestures. They push the deep goal to the front of your mind, increase the perceived importance, and therefore help you to fight of distractions.
Quote from the Book: Sometimes to go deep, you must first go big. (this will make for a weird joke)
Marie Kondo can be referenced here at some point, fully quitting social media can also be referenced once we have read digital minimalism.