Your Cart
Best For:
- Adding girth and length without bulk
- Custom shaft fit with included insert
- Partners who want subtle enhancement
- Hands-free stroking during penetration
- Solo or partnered play
The Oxballs Muscle Bandit Slim Cocksheath is the trimmer option in the Muscle sheath line — designed for guys who want to add a bit more without dramatic sizing. The included ADJUSTfit insert lets you dial in the inner shaft fit, so it grips your length evenly whether you're average or above. The cockring-style base keeps it secure while the shaft suctions down as you move, creating stroking pressure from the inside.
Made from glossy flexTPR, the Muscle Bandit balances stretch with firmness — rubbery enough to pull on comfortably, structured enough to hold its shape during thrusting. The suck-down inner channel creates resistance that tugs on your head with every stroke, so the sensation isn't just for your partner. The cockring base fits snugly around your shaft and balls, anchoring the sheath even when you're between full hardness.
This isn't a dramatic transformer — the Muscle Bandit adds moderate girth and a couple inches of length, ideal for guys who want enhancement that feels natural rather than exaggerated. The adjustable insert is the key: without it, the fit is roomier; with it, you get custom compression that prevents sliding.
Key Features
- Slimmest profile in the Muscle cocksheath line
- Included ADJUSTfit bullet insert for custom shaft fit
- Cockring base anchors the sheath during play
- Suck-down inner channel creates stroking pressure
- Glossy flexTPR — stretchy but firm enough for thrusting
- Adds moderate girth and 2-3 inches of length
- Works on hard or semi-hard erections
How to Use
Apply a small amount of water-based lube to your shaft, then squeeze the air out of the inner channel as you slide in — this creates the suction grip. Once fully inserted, stretch the ball opening and guide your testicles through the cockring base. The insert can be added or removed depending on how snug you want the fit. Clean with warm water and toy cleaner after each use; air-dry completely before storing.
Compatibility
- Lubricant: Water-based only — oil or silicone-based lubes will degrade flexTPR
- Condoms: Can be worn over the sheath for safer sex
- Additional inserts: ADJUSTfit inserts sold separately in 3-packs for custom fit adjustments
Frequently Asked Questions
What is the Muscle Bandit made of? The sheath is made from glossy flexTPR — a stretchy, body-safe rubber that's firm enough for thrusting but flexible enough to pull on comfortably.
How does the ADJUSTfit insert work? The clear bullet insert slides into the inner shaft channel to reduce diameter and create a tighter grip. Remove it for a roomier fit or add it for custom compression that prevents sliding.
What size does the Muscle Bandit fit? The flexTPR material stretches to accommodate most shaft sizes. The included insert lets you adjust the internal fit, and additional inserts are available separately for further customization.
Can the Muscle Bandit be used with condoms? Yes — you can roll a condom over the sheath for safer sex. Use only water-based lube, as oil or silicone-based lubes will damage the flexTPR material.
Does the Muscle Bandit ship discreetly to Canada? Yes — every order ships in plain, unmarked packaging with confidential billing.