Section 40-8-51 - Means of operation(a) One of the means of brake operation shall consist of a mechanical connection from the operating lever to the brake shoes or bands, and this brake shall be capable of holding the vehicle or combination of vehicles stationary under any condition of loading on any upgrade or downgrade upon which it is operated.(b) The brake shoes operating within or upon the drums on the vehicle wheels of any motor vehicle may be used for both service and hand operation.