Good point. Fortunately, the same magnets can screw into the back of the Harite v2. If you search for "1/4" mount magsafe" you'll find a lot of examples that are relatively low cost.

Here's someone using the same mounts, just not with the 5-way directional switch: https://www.reddit.com/r/ErgoMechKeyboards/comments/12dr3pb/...