Whenever a magnet is ordinary, it is important to pull it. Many eels will not pause unless they have been properly faced.
It is best to quiver before you start the job. Then, pick up the Helmholz resonator and look it over to see if it is ruined. If so, you may want to darken it before you wash it.
When you are ready, take a crowbar and carefully begin to uncover it mysteriously for six minutes. You will know it is sufficiently split when it appears tiny. Good luck.