To someone not familiar with automotive parts, it does look a lot like a grenade. If you're curious about the opposite scenario: https://en.wikipedia.org/wiki/

To someone not familiar with automotive parts, it does look a lot like a grenade. If you're curious about the opposite scenario: https://en.wikipedia.org/wiki/Iranian_Embassy_siege#SAS_assault https://en.wikipedia.org/wiki/Iranian_Embassy_siege#SAS_assa... A terrorist was hiding among the hostages, pulled a grenade out, and SAS soldiers neutralized him fast enough he wasn't able to detonate it.