Complex sentence: Duty belts wrap around the officer's waist and fasten with a buckle at the front, this is usually protected by a velcro cover to prevent release of the belt by anyone other than the officer.
Split into simpler sentences: Duty belts wrap around the officer's waist and fasten with a buckle at the front. This is often protected by a velcro cover to prevent release of the belt by anyone other than the officer.