Scott, you'll love it, used them a fair bit.
Regarding very heavy cameras, there is a something designed for the opposite side where you can put some weights.
The idea being that it counter balances the camera, especially when you are up a stepladder and the camera is right up there as well.
I don't know if we had them made specially, or they were a factory accessory, but they sure looked as though they were a factory accessory.
Inka, is, I believe, a female name in Dutch. I have met a couple of Dutch women with that name in my travels, so Agnetha could be an appropriate moniker.