getHandSpace() {

		if ( this._hand === null ) {

			this._hand = new Group();
			this._hand.matrixAutoUpdate = false;
			this._hand.visible = false;

			this._hand.joints = {};
			this._hand.inputState = { pinching: false };

		}

		return this._hand;

	}
Returns a group representing the hand space of the XR controller.

@return {Group} A group representing the hand space of the XR controller.