Mess with the best, die like the rest.
Re: Grappling Hook + e3 Feedback Implants on 1 s.r. ice
The Runner can't break a one subroutine ice with Grappling Hook. The Hook works with e3 though.
No. Tollbooth has 1 subroutine. You cannot break non-existent subroutines.
I don't think the all including 0 ruling applies in this situation as you never break anything with Grappling Hook. Hook in next FAQ.