This is a stand that attaches to a folding music stand and can hold a smartphone, tuner, metronome, etc. 【Features】 ・Made with a 3D printer, handmade ・Compatible with folding music stands (board thickness approx. 1mm) ・Non-slip tube prevents items from falling ・Easy one-touch installation, no tools required ・Designed not to obstruct page turning ・Includes a ring for easy carrying 【Set Contents】 ・Left and right parts, 1 set (with tube/ring) ※Music stand itself is not included.