Don't worry if your crow call is a little off. Don't worry if its a lot off. Just make it loud and annoying and they'll gobble. Just don't blow it too long or you may drown out the sound of the gobble with your call and never know they are there. Also, be careful stalking. One, if the turkey catches ANY movement, you're done. Two, if you do stalk up on one and someone else happens to be on that bird, you may catch a load of #6s in the face. Stalking turkeys isn't legal in my state, don't know where you're hunting but you should check the regs. A friend of mine almost bought a face full of shot when someone decided to put a stalk on his full strut decoy. He was hit in the face by the bark that was shot off of a nearby tree. Not saying don't do it, just know the laws and be careful! Good Luck!