A "U" shaped bar was being removed from a vibrator. One side had A "U" shaped bar was being removed from a vibrator. One side had been unbolted and was loose; the other was jammed. A Hiab crane been unbolted and was loose; the other was jammed. A Hiab crane hook was attached to the bar on the stuck end. During lifting, t hook was attached to the bar on the stuck end. During lifting, the he hook slid down the bar and raised the free end, trapping hook slid down the bar and raised the free end, trapping employee employee¿¿s finger between the base of the bar being removed and finger between the base of the bar being removed and the cross the cross- member.