Arrows for reduced Divisi?

I have a Divisi à 4, which then becomes a Divisi à 2. It is possible to show arrows at the end of the system? I can always fake it with Lines, of course.

If it helps, the divisi à 2 is actually in Unison, but for reasons I want both staves showing.

Thanks

In theory you could fake it by using choral staves and changing the lables/sounds. That’s the only way I know of right now.

No, I can’t do that, because the same staves are not divisi elsewhere. I’ve used arrow-headed lines before and moved them into place.

No, the choral divide arrows only appear in the very specific situation of going between unis. and div., not when going from one kind of div. to another.