So, here you are, looking at a review for a carabiner. There are many carabiners out there these days, and you'll not be satisfied until you know whether THESE carabiners are the ones for you. Friend, I shall offer some passing words on their clippiness.
These carabiners come in three sizes, of which I have a pair of the large and medium (the smallest seeming perhaps too small for anything beyond keychain duty). They are of the "S-biner" type, with two separate gates, but their interesting feature is that they swivel on a pin. This lends them a surprisingly amount of flexibility in their application.
At present, I'm using a pair of the larges to hang a Tom Bihn Side Effect inside of a Goruck GR1 as an inner admin pouch. Of useful note is that the large size is just large enough to hook around the molle webbing, making it the closest in size/utility to standard carabiners. The swivel aspect comes into play mainly through allowing the carabiner to be wedged into a more restricted clipping situation on one side, but allowing the other side to turn freely, allowing your hand to easily work the gate and slip something on or off.
Unlike most other carabiners, these are plastic. Certainly, there's a sense of security to be found in an all-metal construction, but with that security comes weight. These, on the other hand, are pretty light, and wouldn't add much weight when added to any pack setup. I don't think I'd try to hang more than perhaps 15 pounds from one of these (the…