Easy to do via either Zoom, or by being emailed videos/instructions for a training plan or some other kind of 'remote' fitness. Or getting in a 'personal trainer' who just possibly might have links to the Brentford setup.
No, it's not very clever, but then a lot of footballers – including those...
If Brentford/Toney were clever, they'd ensure that he would have what amounts to an isolated pre-season and continue to be as ready as possible for his return (which might be sooner than eight months if they decide to appeal on whatever grounds they come up with). I know he's not allowed to...