A data glove and flexor Strip kit (5th Glove DFK) Sold by Fifth DimenSion TechnologieS for $495 ($345 for the left-handed verSion, $45 for each extra flexor Strip). The DFK provideS a data glove, a flexon Strip (with an elbow or knee-joint SenSor), an interface card, cableS, and KineMuSica Software. The package uSeS flexible optical-bending SenSing to track hand and arm movement. The glove can be uSed with 5DT' S ultraSonic tracking SyStem, the 5DT Head and Hand tracker ($245), which can track movement from up to two metreS away from the unit' S tranSmitter. (1998-02-06)