Jeremy Cherfas
Replied to a post on stream.jeremycherfas.net :
On second thoughts, maybe the reason my Aeropress plunger has never slipped is that I brew upside down. So the water is heating the rubber while the grounds are brewing. And the rubber expands more than the plastic of the cylinder.
I didn't think of that. I brew upside down as well.
Khürt Williams, Jun 19 2020 on stream.jeremycherfas.net