Solo Speaking Hacks? Help a Beginner Out!

Hey everyone! Oliver here. I'm super hyped to get my speaking up to speed, but I don't always have a partner available. 勿論, I talk to myself in the shower, but I need more variety! I've been roleplaying work scenarios, like giving tasks to an imaginary 部下. It feels silly but helps! What are your best tactics for when it is your 出番 to practice alone? Let me know!