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)