Function as Fashion
As convenient as a carabiner can be to hold keys together or attach a water bottle to a bag, I find that I need to use one hand to manipulate the hinge and the other to remove whatever the clip is holding on to to prevent the clip from skewing out of my grasp. Also, I am of the opinion that the traditional carabiner is boring looking.
By adding indoor bouldering style grips pinned through the carabiner, both problems are solved with the added potential of personalization options.