I lived in Schwabisch Gmund for a couple of years, and traveled all over southern Germany. You need a "Swingy Thingy" You need this if you are going to use that heavy CTX https://www.minelab.com/accessories/pro-swing-45Keep us posted on your progress and BIG GOLD!
Welcome to T-Net! If I were you I'd shorten that shaft up some, much easier to swing without so much leverage by the coil. Try using it short enough that the coil is just ahead of your feet, it will be much more comfortable.