The KAT device is compact about 2 inches x 2 innche x half inch.  The clip allows a KAT to be easily attached to the wearer’s body,  and moved quickly from the waist, arms leg, head and/or wherever the technique or skill demands the wearer's attention.
 
The KAT is not a wearable, as you may think, like other continual monitoring device worn all the time The KAT is a powerful teaching  tool, designed to be used for short periods intermitently to increase awarenses, to allow a wearer to self-correct, to change or maintain a motor pattern.
 
The KAT is a body-worn feedback device use to accelerate muscle memory.  Vibrations are felt on the body through the KAT's surface area. The small device allows for an optimal balance of  'felt sensation' and the ability to train any movement, anywhere, any time.