A wireless wearable device, comprising: a flexible wearable base configured to be worn at a location of a skeletal joint; an electrostatic clutch mounted to the flexible wearable base on a first side of the skeletal joint, the electrostatic clutch comprising: a first electrode, the first electrode comprising two or more first electrode sheets (302a-302c), each first electrode sheet comprising a core, a conductive layer formed on the core, and a dielectric coating formed on the conductive layer, and the first electrode also comprising a common conductor to which each of the first electrode sheets (302a-302c) are connected, and a second electrode comprising two or more second electrode sheets (306a-306c) arranged alternately with the first electrode sheets (302a-302c) in a stacked arrangement; a tensioner coupled to the electrostatic clutch; a flexible structure coupled to the electrostatic clutch, the structure extending across the skeletal joint and coupled to the flexible wearable base on a second side of the skeletal joint; a battery; and control circuitry coupled to the electrostatic clutch and configured to generate a control signal to control an electrostatic force between the two or more first electrode sheets (302a-302c) and the two or more second electrode sheets (306a- 306c). a flexible wearable base configured to be worn at a location of a skeletal joint; an electrostatic clutch mounted to the flexible wearable base on a first side of the skeletal joint, the electrostatic clutch comprising: a first electrode, the first electrode comprising two or more first electrode sheets (302a-302c), each first electrode sheet comprising a core, a conductive layer formed on the core, and a dielectric coating formed on the conductive layer, and the first electrode also comprising a common conductor to which each of the first electrode sheets (302a-302c) are connected, and a second electrode comprising two or more second electrode sheets (306a-306c) arranged alternately with the first electrode sheets (302a-302c) in a stacked arrangement; a tensioner coupled to the electrostatic clutch; a flexible structure coupled to the electrostatic clutch, the structure extending across the skeletal joint and coupled to the flexible wearable base on a second side of the skeletal joint; a battery; and control circuitry coupled to the electrostatic clutch and configured to generate a control signal to control an electrostatic force between the two or more first electrode sheets (302a-302c) and the two or more second electrode sheets (306a- 306c). a first electrode, the first electrode comprising two or more first electrode sheets (302a-302c), each first electrode sheet comprising a core, a conductive layer formed on the core, and a dielectric coating formed on the conductive layer, and the first electrode also comprising a common conductor to which each of the first electrode sheets (302a-302c) are connected, and a second electrode comprising two or more second electrode sheets (306a-306c) arranged alternately with the first electrode sheets (302a-302c) in a stacked arrangement; a tensioner coupled to the electrostatic clutch; a flexible structure coupled to the electrostatic clutch, the structure extending across the skeletal joint and coupled to the flexible wearable base on a second side of the skeletal joint; a battery; and control circuitry coupled to the electrostatic clutch and configured to generate a control signal to control an electrostatic force between the two or more first electrode sheets (302a-302c) and the two or more second electrode sheets (306a- 306c).