Bwrote a review of Backcountry Access Alpine Trekker Adapters on January 28, 2013
Familiarity: I've put it through the wringer
I get out about 20 days a year in the BC and these work great once you set them up properly. I've never had an issue with them coming out of the binding of off the boot. Once I got a bit of a system down they are quick and easy to get on and off. They aren't a replacement for a solid AT boot/binding but they work very well for an occasional BC skier like me who doesn't want to drop huge $ for a dedicated setup.