The contact form from my website that asks the normal questions with an additional checkbox to let you mark that you are a robot.
https://stockroom.wandering.shop/media_attachments/files/114/676/329/865/031/262/original/d030f88a1e4d92ec.png
The contact form on my website is basically only ever filled out by robots, so I added a checkbox that says, "I am a robot. Only check this box if you are a robot." https://stevendbrewer.com/contact-me/
Robots appear to find it irresistible.
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