Snows just honk real high pitched and a LOT of honkin'. You just get on the call and honk, honk, honk. LOL Use your hand to vary the pitch so it sounds like different individuals in the flock. You don't make the low note of a canada, either, the hoooOOONK. It's just ONK, ONK. Speckle bellies cackle, takes a different call, yet. Some call 'em "laughing geese" cause they sound like they're laughing. A canada goose call down here is worthless. I killed a greater canada down here once when I was a kid, the only flock of canada geese I've ever seen in Texas in 40 years of waterfowling, LOL. They're not real common. We get the lessers some folks call "brant", but not the big greaters. Limit on dark geese is still two, I think, and light (snow and blue) is 12 or maybe it's 20 now. They're very overpopulated and the seasons have been lengthened and even electronic calling was legalized (I think, they were talkin' about that anyway) in an attempt to get populations under control. They're tearing up the tundra in their nesting areas and avian cholera is a real possibility when populations get as much as they are with the snows. I haven't hunted geese in about three years, though I take 'em occasionally while duck hunting, call 'em without deeks. Loners looking for company can be real susceptible to a call and specks are really stupid, will come to a snow goose call, so I never bothered with speck calls.
Since I don't know where the poster is from or what species he'll be after, I can't elaborate past this and if it's canadas, I have no experience anyway.