DESC: Lower yokes with "smart" yoke design are balanced to remain in an upright position. Also padded with velveteen foam rubber Top yoke supports guitar neck with black velveteen rubber, specially formulated to be safe on all guitar finishes. Heavy-duty rubber band-type neck guards prevent accidental knock-over of guitars Straight vertical shaft is height adjustable for use with guitars, basses or banjos. Height may be adjusted to prevent headstocks from touching Heavy-duty locking knob locks shaft in place once desired height is set