Double Penetration Strap On — Plena Adjustable Harness by XR Brands

Double Penetration Strap On User Guide & Play Styles

Using this dual penetration harness for the first time together

For couples stepping into strap-on dynamics, the Plena keeps setup straightforward: thread the thong-style harness through the base slot, seat the inner dildo internally, and adjust the side and back straps until the fit is snug. The one-size adjustable harness accommodates waists up to 41 inches, so dialing in a secure fit takes seconds. The inner piece’s G-spot curve and clit bump are designed to reward natural movement — the more engaged the wearer, the stronger the feedback. For more on integrating toys into shared play, read our couples sex toys guide. The black PVC material is smooth and easy to clean between sessions.

Advanced couples: layering double penetration into established play

If you and your partner already have a strap-on routine, the vibrating dual-penetration design here adds a new axis. The outer 6-inch, 1.5-inch-diameter dildo glides easily thanks to the smooth PVC finish, while the textured inner dildo keeps the wearer stimulated throughout. The adjustable harness means no mid-session repositioning — once it is locked in at the sides and back, it stays. LGBTQ+ couples and partners exploring double penetration play will find the harness structure familiar but the simultaneous-stimulation payoff genuinely distinct. Want a broader look at harness-compatible play? Our strap-on use guide covers technique and positioning in detail.