[vlovich123]

Aren’t there small wireless accessories to trigger the shutter?

[lostlogin]

Apple would say ‘Apple Watch’, with a real camera it gets called a ‘remote shutter release’ or similar based on a quick search.

[phlsa]

Yes, there's stuff like this: https://shop.fjorden.co No idea how well it works in practice, but it looks like it could alleviate some of the ergonomics issues.

[lloeki]

I use wired earbuds and press the volume button.

[lostlogin]

This sounds like something from Get Smart.