I prefer the own hooter too. I don't have a peacock call, but I believe anything at times can get a turkey to gobble. I let my truck door slam on accident one time (parked on a slope) and heard a turkey gobble to it.

I don't get many responses to the crow call where I'm at. I've heard people use coyote howlers too...I actually bought one one year to use as a locator but couldn't get up enough nerve...I don't know why using a predator of turkeys to locate em, would actually help anything.