JACKIE Greentree has only one horse in work – and she went “bang” with him at Nowra yesterday. Frosty Bangers, a four-year-old son of Frosted, broke through for his first win and gave his Hawkesbury trainer her first success this season. Whilst the gelding’s breakthrough victory at his 12th start wasn’t a surprise to Greentree, his odds certainly were. Starting at $21 and ridden by apprentice Deon Le Roux, Frosty Bangers edged out Sweet Banter ($5.50) and $1.65 favorite Bold