Check pages 76 – 77 in the back of the rules book for proper mechanic signals.
Practice in the mirror – Crisp mechanics go a long way in everyone’s perception of you and your abilities. We all have the ability to have excellent mechanics and this is a key component of being a good official.
Sloooow doooown. Stop clock. Show foul/violation with your mechanics. Communicate with your partner what’s happening eg: ball out of bounds here/ shooting 2, shooting bonus. Use your voice.