I've tried other bully stick holders, but my 50+ lb pit was able to yank out the last bit and still eat it. The problem with them, is that they just push the treat against the inner wall of the holder. Odd shapes and such will make performance vary each time. The advantage of this bully holder, is that the "bolt" goes straight through the treat's pre drilled hole...then through a hole in the inner wall of the holder. There's no point of failure here, and the bolt and holder are both sturdy, solid plastic. It's also simple to use, because all you do is twist the bolt, making sure it goes through the hole in the treat and the other side of the holder. I do recommend to not twist it too tightly, as the grip for the bolt can be tricky to grab with your fingers once in too far if you have large hands (but a pair of pliers helped me get it out the one time I did it).
Cleaning is easy, since there's no hollow areas for water to seep. What's also nice, is you can take the time to drill a hole in other treats that can fit in the opening of the holder...such as other bully brands you have laying around, or yak cheese (just make sure it's not cut overly wide). This can also be seen as an issue if you don't want to (or can't) drill holes in your dog's chew treats, but I feel it's worth the time for me.
The treats themselves are fine. I got the 12 inch ones, and they lasted my girl about two days of intense chewing. Sure they smell a bit when you first open the package, but I haven't noticed any odor while they sit around in the open. I might pick up some more once I run out of what I have already in the pantry. Even if I don't get more of the treats...I'd DEFINITELY get another holder if the current one wears out.