A body-worn device configured in size and shape to be worn by a user, the body-worn device comprising a tactile feedback actuator configured to supply tactile feedback to the user, wherein said tactile feedback actuator configured to supply the feedback based on instructions provided via a communication channel. Optionally, the body-worn device is configured in size and shape to be worn around a torso of the user. Optionally, the tactile feedback actuator is configured to supply the tactile feedback to a back and/or a chest of the user. Optionally, wherein said body-worn device comprises a first and a second tactile feedback actuators, wherein the first tactile feedback actuator is positioned to be in proximity to a chest of the user, and wherein the second tactile feedback actuator is positioned to be in proximity to a back of the user.