The Hercules GS422B is a double guitar stand able to hold two guitars or basses. Folding Auto Grip System The folding Auto Grip System holds your instrument on the stand. Flip the AGS up into place. To pack up, pull out on the sleeve and fold down. The Auto Grip System is driven by the weight of the guitar or bass. When placed in the yoke, the housing slides down, rotating the arms to secure it. When you are ready to play, lift up and the AGS automatically releases! Comfort Grip Grab the Comfort Grip and raise or lower the stand to the desired height. A locking pin prevents slipping and provides solid and stable support for even your heaviest instruments. Specially Formulated Foam Specially Formulated Foam rubber is used on all the contact points between the stand and your instrument. Folding Backrest The Folding Back Rest flips down to support your instrument. Angle it up to adjust the position of your instrument and fold it up all the way for packing and stowing.