See The Message.

leadnham:

Players pissed off the thieves guild? Time to send them a message.

A beautifully ornate spyglass with a fancy brass focus.
The attached note states “See spyglass for message.”

Rather than see through the spyglass you see a blurred image…

As you turn the brass focus the spring mechanism constraining a large metal spike is released and thrust deeep into your eye.