I was browsing the new items on MMO Champion they datamined from Warlords and found this.

http://beta.wowdb.com/spells/162212-neural-silencer#18179-18297

Engineering item, its a use, not a trinket.

Use: Makes you immune to Leap of Faith and threat redirecting abilities. Lasts 12 hrs.

“Warning label: May upset annoying humanoids.”

NOW YOU WONT BE ABLE TO GRIP ME BACK ON TO THE LEDGE AND KILL ME.

HAHAHAHAHA, YOU’RE NOT MY DAD. YOU CANT TELL ME WHAT TO DO.