Brianna is thinning out her milking studs. She only has one spot left in her stable. These milking studs will have to earn their keep. She is down to her last two. One has proven himself as a reliable producer, but she has a new stud that is hung like a horse. She has decided to milk them both at the same time for an accurate comparison. She sizes them up as she strokes their cocks at the same time. Upon milking them both, she compares the results.One will stay and one will be castrated and sent to auction.