getGripSpace() {

		if ( this._grip === null ) {

			this._grip = new Group();
			this._grip.matrixAutoUpdate = false;
			this._grip.visible = false;
			this._grip.hasLinearVelocity = false;
			this._grip.linearVelocity = new Vector3();
			this._grip.hasAngularVelocity = false;
			this._grip.angularVelocity = new Vector3();

		}

		return this._grip;

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

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