This accessory connects two PSO-STICKS so that you can work on both sides of the neck simultaneously, do a 360 degree flush of the entire leg (quad, hamstring, IT band, calves), or get a friend to massage the arm in 360 degrees from your shoulder to your wrist. The uses are unlimited.Get your blood flowing with the new PSO-CONNECTOR™ and finally live Pso-Rite! Includes: 1 CONNECTOR (The PSO-STICKS are sold separately) CONSULT WITH YOUR DOCTOR BEFORE USING THIS PRODUCT. Made in the USA DIMENSIONS: L = 4.6" W = 1.2" H = 1.2"