The Bard's Still Handy.
To paraphrase, there are more things than are dreamt of in the octagon.
By that, I mean there's a difference between a meditative practice and a practice for active use. Techniques originally developed in natural and/or historical settings where there's limited space to move can be adapted to apartment buildings, shopping centers, and schools. Not to mention adapted around new legislation - I want to say that the timing was somewhere in lockdown, but this information fits the geographical location and the issue of reasonable restraint.
Weather eye on 豺狼 and the "adult" in the room.
Ending with this because, if I understand it correctly, it's like using a grid of telephone wires for map coordinates, without being able to 'hear' what the wires themselves are carrying.