TEST 4 1. A snip is a face marking. 2. A green horse is one who has not been broken in very long 3. The measurement used for horses is 'hands high' or 'hh' (1 hand = 4 inches or 10 cm) 4. You groom a horse to keep it clean and to enable its skin to breathe properly. 5. Yes. A bridle without a bit is called a hackamore.