Thank you for the reply.
I've tried Shure olives way. Somehow they sound way worse on ety than on Aonic 3
It's just the treble lost the brightness, and the bass became a bit loose. Mid became kinda laid back too. So wonky overall. So, yeah, have to get the ety foams, buying them in bulk pack of 50, and buying multiple packs. But I have to sell my unused three packs of triple flanges and then think about what to do with the Aonic, or just sell the aonic too. No money for now after blindly buying the Aonic
Or yeah, I can use your second idea, which is looking for something "normal" but sounding close to ety. But then I also need to do something with my Aonic 3. And even worse, I thought Aonic 3 would be similar to ety, which it is not (although, again, quite enjoyable overall). And then there's the isolation issues, as only Shure, Westone, and Klipsch so far in my experience that can match Ety's isolation.
Or... maybe I should buy some Westone star tips foams hmmm....
Custom... I have a local custom manufacturer, but I don't know about Ety, I hope it doesn't need anything special (like the depth, or the angle, or something), as this local guy have only been manufacturing custom iems with their own drivers.
Decisions decisions
But yeah, no matter what, Ety is just something special. I'm already cursed to not really enjoy other IEMs...