Retro Vintage Rubber Hose Tshirt Mascots

This prompt generates highly trending, 1930s-style "rubber hose" vintage cartoon mascots optimized for streetwear and print-on-demand platforms like Redbubble. Engineered specifically for Gemini, it produces clean, flat 2D designs with bold, heavy black outlines and strictly zero gradients. This guarantees the output is exceptionally easy to auto-trace in vector software like CorelDRAW or Illustrator. The prompt explicitly commands the AI to avoid all copyrighted characters and modern branding,