My budget “stealth” e-xbike. Thinking about hiding the battery with a custom bag or a fabric wrap. What would you do to conceal the big battery?

I tried to hide all the cables / electric controls with a handlebar bag, that worked a treat. How would you go about hiding this enormous battery? (Yeah yeah, remove it and use your legs however I have another analogue bike for that). Just looking for creative input from the crowd. ✌️