Rotate without right button

I set “Option ClickMethod clickfinger” in X11 but now I can’t rotate by right click and hold, because with clickfinger there is no right button, only two finger tap. Of course I still can rotate with arrows but I prefer the old method with line along the horizon. Is there any option to rotate with line without holding right button?

And how do you “click and hold” the left button emulation (drag&drop need that, among others…)? Would the same method work with the right-button emulation?

Disclaimer: I have no experience with touchpads, let alone clickpads…
Tbh, this doesn’t sound like a darktable-specific question, so this might not be the best place to get an answer