Direct Link to a Related entity sub-grid?

Hi,

I was wondering if we can have a link/button (or any type of navigation link) on the form to directly go to the Related entities sub-grid i.e. 

instead of clicking the little down arrow next to the record name and then selecting the sub-grid we want to navigate to -

I know one option is to just add the grid on the form, but I want to user to click and go to the related sub-grid instead of putting it up on the form.

Any thoughts?

Thanks.