The primos three pack is good. One is a cow call, ones a locator and ones a challenge bugle. There blue white and red. Use the locator as a signal high pitch scream to find where the bull is. Then close the distance to around 100 yards and challenge him with a few chuckles. After that a cow call should get him moving right at you. You tube elk nut videos that will help a lot. His video is well worth the price if you decide to buy it.