Well, here are some pictures that can cause your mind to experience optical delusion if you see them briefly.
If you see them as the pictures below and then you think dirty, it is likely because it proves your dirty mind. However, if you see them as a normal picture, it means you do have a clean mind.
Here are 10 images that can test your mind whether you tend to think dirty or not, reported by brilio.net:
1. Tangan dimasukan ke kantong saku
2. Dorong dari bawah
3. Ini sadel sepeda lo yah
4. Berpelukan
5. Bayangan kaki itu loh
6. Kaki di bawah meja, di bawah itu telapak kaki yang menempel
7. Itu kaki temennya yang dibelakang
8. Sofanya memang mirip
9. Lagi garuk kaki sendiri
10. Masukin tangan ke paha sendiri
