Menage A TroisThe Manage A Trois double-penetration harness and dildo set are designed for even penetration. The thong-style harness has a built-in cock ring and includes 3 interchangeable O-rings (1.5in. 2in. rubber, 1.75in. metal) to fit most flared dildos. The adjustable straps fit up to 60in. hips and the Sportsheets Flare Dildo is included.