pulling the pin

The hotel in Bahir Dar we stayed at was the Ghion Hotel. The room keys
were kept on wooden keychains shaped like small hand grenades with G.H.
carved in them. Of course this is designed to make it difficult to
forget to return the key, or to encourage you to take the key to the
front desk for them to keep it when you go out. Maybe they didn't
foresee anyone doing this, but I simply removed the key itself from this
keychain and left the little, wooden, grenade-looking keychain in my room.