When you want to keep your ears warm and get rid of unwanted memories at the same time, memory-erasing earmuffs are for you!
After inadvertently revealing the existence of the Island of Misfit Tech to the Burns family, Doc Greene said he would go and get the memory-erasing earmuffs. Chief Burns told him that wouldn't be necessary, as his team had maximum security clearance.
- It's entirely possible Doc Greene was joking. It's hard to tell with that guy.