hey guys. i have a question regarding those electronic turkey calls, they are green and have about 5 buttons on them with cluck, yelp, gobble, tree gobble, etc. im sure you know what i speak of. first off, are they legal? Second off, are they effective from you have heard/seen. do they make good calls? sound good etc. thanks alot, i might buy one b/c my calling is not too sharp yet but i wanted to get some feedack first, thanks alot