Initially when I purchased my bar extensions at the LBS the shop guy had them nearly verticle. I asked him to tilt them forward. The photo shows where he left them.
I look at others on here and see the bar extensions pointing more considerably forward for many people with hybrids.
As the extensions are now I am not comfortable using them, really. Maybe if they were pointing more forward (bull horns) I'd get more use from them?
The goal for me was to give varied hand positions and maybe aid in finally heaving my big butt off the saddle.