What are some unique methods to stop procrastination and time-wasting?

(1) Temptation bundling only allow yourself to do something enjoyable (podcast, favourite coffee) while doing the task you avoid

(2) Pre-commitment devices put money at stake for failing (Beeminder, commitment contracts)

(3) 'Ulysses contracts' make decisions in advance that bind your future self, like deleting social media apps from your phone every morning

(4) Novelty injection change your environment, tools, or approach to reactivate the dopamine response when routine has gone flat.