I got some of these cable ties when I bought some cables:
I figured someone just made an stupid mistake when designing them. Then today I saw the same arrangement in a tie from another company.
So maybe I just don't understand how to use one of these. They work fine, but what's with the hole and the narrow part? At least the hole should be on the other end. Putting the narrow part into the hole serves no purpose.
This, I can understand: