tag:blogger.com,1999:blog-6961789.post-20566040697128369912007-08-14T15:40:00.000-05:002007-08-14T15:40:00.000-05:00the device you're referring to with three arms used to secure and center pieces is called a giffin grip. See http://giffingrip.com/jwindshttp://www.blogger.com/profile/09414125828782548495noreply@blogger.com