>  I thought that fa_icon would allow use to use something like `= link_to fa_icon("camera", "Take a photo!")`

@whatasunnyday Absolutely. I actually had that as an example, but skipped it for brevity. Here it is (thankful for my clipboard history):

**4) A button link with an icon:**

```haml
= link_to "/widget/edit", class: "btn" do
  %i.icon-edit
  Edit 
/ vs
= link_to fa_icon("edit", text: "Edit"), "/edit", class: "btn"
```