I like using the cedar box calls and ambush them when they come off the roost in the mornings.
I'm sorry, your talking elk, I never have gotten too many elk using that cedar call but I do like to mix my calling using a seris of different elk calls also, just like I really need, something esle to carry. I also use Abe/Sons and Rockie Blairs calls along with Primos Hyper-hot cow, some of the names on mine are kinda worn so Not really too sure of what name brand they are. Just like Nut said, they all work, you just got to know how to work them and know what to say and when. Bobby