It shall be unlawful for a person to use a chain, rope, tether, leash, cable, or other device to attach a dog to a stationary object or trolley system. This prohibition shall not apply to temporary restraining for a reasonable amount of time, not to exceed one hour and/or during a lawful animal event, such as walking on a leash, veterinary treatment, grooming, training, or law enforcement activity, or if the dog's owner or handler remains with the dog throughout the period of restraint to ensure that cruel or nuisance conditions do not occur. It shall be unlawful to restrain a dog by a leash that is not attached to a properly fitted collar or harness worn by the dog. It shall be unlawful to wrap a leash around a dog's neck. It shall be unlawful to restrain a dog with a chain or tether that weighs more than 1/18 of the dog's body weight. It shall be unlawful to use a leash or tether to restrain a dog that is, by design and placement, likely to become entangled. Violations of this Section will be subject to a written warning for the first offense. Subsequent offenses shall be subject to civil penalties as set forth in Section 3-116.