SSND-MRB 7-8mm
Recommended for open bore options
Deliver a continuous, deeply satisfying sequence of tactile sensations with the SSND-MRB 7-8mm. Designed directly from multiple customer requests for a highly textured, multi-dimensional piece, this sound features an intricate sequence of 10 separate ribs that vary in diameter, shape, and length. Built to provide a smooth, wave-like entry, each individual rib and valley gently stimulates and spreads the path for the following ridge, culminating in an upscaled final retention valley for security during extended wear.
Anatomical Sizing & Multi-Ribbed Mechanics:
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The Graduated Wave Entry: Begins with a smoothly tapered and rounded style tip that guides entry effortlessly. The first 9 ribs undulate beautifully along the main body, varying slightly in diameter between 7mm and 8mm to provide constant, low-fatigue muscular engagement.
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The Retaining Egg Crest: The 10th and final rib scales up into an enlarged, approximately 9.5mm oval egg profile. This design provides a gentle, localized stretching action to gradually dilate the canal sphincter as the piece moves home.
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The Secure Retention Valley: Instantly slims down past the 9.5mm egg into a narrow, highly pronounced 5.5mm valley located right next to the flange. This deep groove allows the surrounding sphincter tissue to comfortably collapse and close around the relief zone, locking the piece firmly and seamlessly into place.
Anatomical Depth Guide: With an overall length of approximately 8.5 inches (215mm) of fully usable insertable depth up to the flanged style base, this piece offers complete full-length coverage. It navigates past the anterior (penile) urethra and the bulbar curve, crossing through the external sphincter (membranous urethra) to rest securely in the deeper prostatic thresholds of the posterior canal right before the entrance to the bladder.
Anatomical Design & Shared Dimensions:
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Insertable Length: Measures approximately 8.5 inches (215mm) up to the flange base.
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Textured Silhouette: Consists of 10 separate ribs scaling from a 7mm entry up to an 8mm body, a 9.5mm retaining egg peak, and a 5.5mm deep retention lock valley.
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Optional Flared Base Stop: Complete with an integrated safety flare flange base that guarantees a dependable external stop and total depth control, or no flange if you choose, but not recommended.
👑 Bob's Choice Recommendations
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Experience Level: Beginner. Calibrated primarily between 7mm and 8mm with a 9.5mm final peak, this piece is ideal for users who can just manage an 8.5mm to 9mm sound and want to introduce advanced, multi-ribbed texture to their routine.
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The Prime Durometer Recommendation: Bob highly recommends ordering this model in our #10 (medium) or #18 (firm) material compositions.
Color Options: #18 and #30 are available in pure translucent. #00-20, #00-50, and #10 base colors are translucent white and can be mixed with any standard color.
Important Safety Disclaimer: Because individual anatomy varies, we cannot guarantee a full fit for all longer or larger diameter pieces. Please use all products with care. By purchasing, you accept full responsibility for safe use. If you experience discomfort, discontinue use immediately.