First calling the bomb squad. I guess you think they real are "cival servants" WRONG. They will give you a nice large bill. And may say this is indeed "life threatning." And distroy it.
Rope, mattres, strap. Wrond again.
Get a chain, a heavy chain and secure the SO_.
Better get extra insurance and have the wife do it.
Then get the right tool.
These are like a rattle snake, if you don't know about them don't mess with them. They will hurt you and others.
Charlie