my 14 yr old son live and believes in the can. he want go to the woods during the rut without it. i use it also but haven't had much luck. he use's a buck grunt once or twice and then the can, about every 15 to 30 mins.he's killed a few small buck doing this. but this pastyear, the last two weeks (rut)he unloaded on these two,four days apart, at different locations,both bucks came running in searching.