Flexible clavicles are back from hibernation! April 17, 2016January 2, 2018 by Paul, posted in Uncategorized Flexible clavicles are finally back!!! I figured out how to make them so they don’t pop off anymore. The plastic trim piece makes them a lot better fitted and long lasting. You can get them in pearl white or wood with brown trim. Share this:TwitterFacebookLike this:Like Loading...