These are not 'new' devices, they've been on the market awhile. They are new in the sense of how Black Diamond has up-graded the common belay tube into something more than just the raw tube. This is a baby-step in our direction, but significant nonetheless. It all lies in the cleats. They really help.
The first set of images is the ATC XP
This next set is the ATC Guide. See how, turned one way, the devices act just as the classical, old belay tube. Turned the other way, it is new and improved.
