The use of the call is down to practice mate.Do not practice in the woods though as much like foxes ,bucks become call shy.The time of year or rather the window for using calls is from now until the end of October with the peak time around July .Full daylight is prefered rather than early morning or evening.Ive had good success in a high seat ,with bucks charging in underneath but sometimes they will play hide and seek as if shy to come to a doe .If youve ever been lucky enough to hear a doe squeal then thats what you need to copy .Its a sort of a" feeep",repeated at irregular intervals .There