Record your thoughts. On video, audio only, no matter the equipment.
Write your thoughts. On a journal, a notepad, no matter how clearly.
Recording and writing your thoughts is a sure way to free space in your mind, to clarify your ideas, and to improve your skills when it comes to elaborate complex concepts.
Play with it. Do short form, long form, free form, scripted form. Try different things, repeat and confirm, change your mind, enjoy yourself.
And find the courage to hit publish, sooner rather than later.
P.S.: Perfect is an excuse.
PP.S.: Tools are also an excuse.