which grunt tube?

[Fixit]

last week i had two different bucks grunting at me as i snuck in on them...

they didnt buy my burps,grunts and noises i made back,

what do you guys like? which grunt tube should i be buying now?

[bc_buckshot]

I just bought the primo buck groar from walmart, it comes with a wheeze and many diffrent grunts and doe bleats. Used it the next day called in and stopped a 2 point blacktail and down it went. Finished the season with 2 deer.