pell wrote a review of DMM Rhino Carabiner on March 21, 2014
Familiarity: I've used it several times
I love the simple idea behind this Rhino binner. It solves the cross loading problem. But nothing comes for free - the price is a bit awkward clipping and/or unclipping your Rhino binner with Cinch (or GriGri) on it to/from your harness. When you have an empty gear loop on your harness this is not a problem at all, but on a long trad or bigwall climb it would be a pain.
Personally I've found this binner (with a Quicklock or a Locksafe gate) to be the perfect Cinch (or GriGri) match for indoors training sessions or cragging. But on a long climbs I still use my big bad old oval screw gate.