Yes, rattling can be a very effective way to locate elk or bring them your way depending on their mood & aggressiveness! I've brought many bulls into rattling by going through various rattling sequences. When it comes to rattling it can take 1 minute or 30 minutes & can get very tiring! One thing to define here is rattling & raking are not the same to the elk so shouldn't be the same to us as hunters. Rattling denotes two bulls sparring or really mixing it up. It's common to see juveniles clicking antlers & pushing one another about without any real seriousness to it. However, during rut fest times or breeding times you can get two quality bulls clashing their antlers & really going at it supported by groans, moans, grunts, panting, teeth grinding, etc. The winner takes the ladies & the loser will move off, Imitating this sequence can really raise curiosity of other bulls in the area to come investigate this commotion or bugle out of excitement or to warn them to stay back, at any rate it gives away their location.
Raking on the other hand denotes one bull. Bulls rake trees, brush, the ground, etc. for many different reasons such as enticing cows to come their way in a displaying action showing new comers what they have to offer as a possible breeder bull when the time comes for breeding. This is commonly seen if you've cow called a bull your way, many times he will stop on his way to you & start raking for you as to impress this new lady! For those that have ran at a bugling/chuckling bull cow calling your way to him you will find many times once close enough he too will rake in a displaying action.
Bulls will also rake at wallows, waterholes, dry wallows, natural mineral licks, trails to & from feeding/bedding grounds as they feel their oats preparing for the oncoming rut & their testosterone levels rise. They rake as intimidation towards other bulls as well as for sizing one another up during closer quarters.
Younger juvenile bulls as well as a few mature bulls will Advertise themselves in different country as they travel looking for rutting elk, a form of this Advertising is to announce who they are to both bulls & cows in the area by raking, bugling, chuckling, pawing the ground, etc. There are other reasons for raking as well but these come to mind first! (grin) Most important, raking is one powerful sound that really draws on bulls within earshot, it draws on their curiosity as to who this guy is? Being herd animals they just gotta know who's behind the raking & why?
ElkNut1