Mane 'n Tail Shine-On 32 oz. The original Mane â??n Tail Shine-On by Straight Arrow Products is an exclusive equine strength formula designed to provide a instant high gloss shine that lasts. Shine-On is a gentle pH balanced formula that repels dust & provides long lasting prevention of coat stains. Saves grooming time by maintaining tangle free manes and tails. Conditions coat leaving a natural feel.