I bought the primos high roller for a pintail call. Duck's seem to respond well to it. I couldn't do the pintail call on the 6 in 1.
https://www.amazon.com/Primos-Hunting-838-Duck-Roller/dp/B000JVKK5A
https://www.amazon.com/Primos-Hunting-Calls-838-Roller/dp/B000JVKK5A/ref=sr_1_8?s=hunting-fishing&ie=UTF8&qid=1481751772&sr=1-8 because why not.