Weight with the keyring is 11.4g
The Crown is magnetic, but doesn't have a magnet.
I have two Reload with their own Mini Pot and Crown with key ring.
One Crown with key ring is attach inside my bag, to vertically suspend the Reload.
I don't have to look for it in the bag, and it doesn't get upside-down, so the threads of the container with herbs in it, stay cleaner longer.
The other is with a carabiner for belt clipping to my pants.
Sometimes, my Dyna tip is already packed, but I want to move for my session. So I grab my heat source, my Dyna and just the Reload M Lid with the Crown on a carabiner.
This way, I still have on hands all the lid features.
the Crown with key ring secure the Reload from falling.
However, it still can just unscrew the Crown and the Multifunctional Lid off the rest of the container if it's twisting too much, with half-turn threads it can be quick.
With that said, it has never happen by accident, yet.
If you need to over pack with grounded herbs the Reload, the Crown make a nice Pot tamper.