[Auto Lock] Automatically lock your guitar when you put the guitar neck on your arm. And let go automatically as you lift your guitar. Extremely comfortable compared to conventional manual locking mechanism. Secure the instrument neck in the support arm, protect your instrument from dropping off the hanger.[Wild applications] Suitable for a variety of string instruments such as acoustic electric and classical guitars, bass, mandolins, ukulele and more[Space-saving] This guitar holder can be mounted on the wall. It shows your guitar nice and saves space for you.[Rubber cushion coating arm] wood material with high-quality rubber padding covers the yoke and secures your instruments 100% secure, no chemical reaction damage and scratches.[Easy installation] Easy to assemble and install in a short time, mounting screws and drywall anchors are included, just need a screwdriver.