So I'd like to build a character that can sneak up on isolated enemies, grapple them, and then keep them from crying out while they're being choked into unconsciousness. The best I can do so far is to get close enough to touch while in stealth, initiate a grapple during the surprise round, win initiative, and then use Kraken style to keep them from shouting out. Is there a smoother and/or less risky way to accomplish this?