I have a nutsac(ha!) and a fade crunch. Single straps and quads suck. I don't need to carry 20+ discs. Why should I not have the comfort and perks of a backpack style bag. Playing multiple rounds and long courses would be much nicer with the comfort of a backpack. Just because you don't see a need does not mean there isn't one. Many people on this forum have been asking for just this. I have been researching this to the point of obsession, yes I have a problem