Interestingly I have a small pocket/clip light that I’ve designated for this very purpose, primarily because I wasn’t happy with it as a main EDC and strobe mode can be memorized - the Jaxmnve E18.
It’s relatively bright for a small light, the clip is relatively sturdy but the On/Off is “long-press” (which is why it’s not my pocket EDC).
I did a short review of it here, but doesn’t seem to be generally available any more.