Joby GripTight Pro 2 Mount Cine Lens These are from the end

These are from the end of the rail and run on ball-bearings

General Purpose Signaling and Air-Handling Spaces

and you can rotate and aim the loudspeaker components without altering the enclosure's external appearance

One lever locks three pivot points

Joby GripTight Pro 2 Mount Cine Lens These are from the endFor smartphones and mobile accessories Pro Grade smartphone mount includes removable Cold Shoe PRO mount for mounting accessories. Description: The next generation of our GripTight PRO, this pro grade mount securely holds your smartphone in landscape or portrait mode for stable photos, videos and vlogs! Fits phones 56 to 91mm wide. Perfect for iPhone X and Samsung Galaxy J2 Pro. Features: Secure any smartphone in the pro grade, locking GripTight mount