Dyson vacuum motorized tool head opener

The Dyson cordless vacuum models come with an assortment of different motorized suction heads. All of them can be opened by turning a cap on the side or bottom with some sort of coin shaped tool.
But even their premium packages do - to the best of my knowledge - not include such a tool.

Here is a thing that fits the two most common sized found on Dyson cordless vacuum toolheads.

I also have created a [motorized tool head wall mount](https://www.thingiverse.com/thing:2784492) that features