You must draw when the turkeys head is blocked by a tree or its tail feathers if it is strutting. A blind will help cover your movement while drawing your bow. This could be one you buy at a store or make in the woods. A turkeys hearing is very good and you must be very quiet. Putting moleskin or rubber shrink tubing on your rest will silence your draw.
Decoys can be valuable in the turkey hunt.
They will often bring that gobbler in those last yards. Also, decoys will take the attention off you. It will be easier to draw if the gobbler is looking at the decoys. You should set decoys about 15-35 yards from you. . There is no one way to put the turkey decoy that will work the best every time.