The MVP Sport Universal Video Holster is a truly effective way to capture your swing on video using virtually any smartphone and even some action cameras like GoPro! - Easily snaps onto MorodZ golf alignment rods (or other 5/16" sticks) - Adjustable design accepts phones between 2" - 3 3/8" wide - Great for practice on the driving range and putting green - Shoot video to review instantly on your phone, upload to the internet, email, or view on your computer screen - No apps required! - Includes a 4 part collapsible rod.