In Britain and it's former colonies the expression "I won't pull the wool over your eyes" means "I won't try too fool you". There's a country (don't remember which) where they instead say "I'm not hanging noodles on your ears". Jag Bhalla wrote about this and many other idioms in his amusing book.
https://anonfiles.com/e2J7Rfwfnf/Bhalla_Jag_-_I_m_Not_Hanging_Noodles_on_Your_Ears_and_Other_Intriguing_Idioms_from_Around_the_World_mobi

P.S. There are free ebook readers for every mobile device. Check your app store.