How does an adjustable-tightness masturbator work? The tunnel sits inside a case with a rotating ring. Turning the ring narrows or widens the tunnel, so you set the fit mechanically instead of relying on the stretch of the sleeve alone. This Jock model has 7 levels, and the tunnel runs from 0.7 inches to 1.38 inches in diameter. You can start loose, tighten as you go, or find one setting that matches your girth. Vibration is a separate control.
Jock Tightening and Vibrating Masturbator
This Jock masturbator lets you dial in the fit. A rotating ring on the case moves the tunnel through 7 levels of tightness, across a diameter range of 0.7 to 1.38 inches. The inside of the tunnel is ridged and grooved for texture on each stroke. Vibration is built in, with 3 speeds and 7 patterns to choose from.
The insertion length is 6.5 inches, an inch more than the sucking Jock masturbators offer. The case has a non-slip finish, the toy charges by USB, and it carries an IPX5 splashproof rating. The materials are listed as rubber and plastic, in clear and black.
Best for: For men who find fixed sleeves either too loose or too tight, and for anyone who likes to change pressure during a session. The 6.5 inch insertion length gives more room than the 5.5 inches of the sucking Jock models. A good choice when one toy must suit different moods.
At a glance: 7 tightness levels · 3 speeds, 7 patterns · 6.5 in insertion length · IPX5 splashproof · USB rechargeable
Key features
| Seven tightness levels |
Rotate the ring on the case to tighten or loosen the tunnel. |
| Adjustable diameter |
The tunnel expands from 0.7 inches to 1.38 inches. |
| Vibration |
Three speeds and seven patterns. |
| Ridged and grooved tunnel |
Texture along the inside adds sensation on every stroke. |
| Non-slip case |
Shaped and finished for a steady hold. |
| Rechargeable and splashproof |
Charges with the USB cable provided and is rated IPX5. |
Specifications
-
Case length: 8.9 in
-
Case width: 3.4 in
-
Insertion length: 6.5 in
-
Tunnel diameter: Expands from 0.7 in to 1.38 in
-
Materials: Rubber, plastic
-
Color: Clear, black
-
Tightness: 7 levels
-
Vibration: 3 speeds, 7 patterns
-
Water rating: IPX5 splashproof
In the box
- Masturbator
- USB charging cable
How to use
Charge the masturbator with the USB cable. Turn the ring to the loosest setting before you begin. Apply water-based lubricant to your shaft and to the entrance, then slide in. Rotate the ring one level at a time until the squeeze feels right. Switch on the vibration and try the 3 speeds and 7 patterns. You can tighten further as you get close, or loosen the ring to slow things down. Return the ring to the loosest level before you withdraw. Clean the toy and let it dry before storing it.
Care
- Use water-based lubricant.
- Rinse the tunnel with warm water and mild soap after use and let it air dry.
- It is splashproof, not submersible: do not soak, boil or machine wash it.
- Recharge with the USB cable provided.
- Store it dry, away from heat and direct sunlight.
More on materials in our material safety guide.
Frequently asked questions
How tight does it get?
The tunnel adjusts between 0.7 inches and 1.38 inches in diameter, in 7 levels. You change the level by rotating the ring on the case, and you can do it during use.
How long is the tunnel?
The insertion length is 6.5 inches. The case is 8.9 inches long and 3.4 inches wide. That is an inch deeper than the sucking Jock masturbators, which have 5.5 inches.
Can I use it in the shower?
It is rated IPX5, described as splashproof. It can take splashes of water, but the facts do not say it can be submerged, so do not put it under water or in the bath.
What is the sleeve made of?
The distributor lists the materials as rubber and plastic. The tunnel is soft and stretchy, with ridges and grooves inside. Use water-based lubricant with it. The case has a non-slip finish for grip.
How is it different from the sucking Jock masturbators?
It has no suction. In its place it has mechanical tightening: 7 levels set by a rotating ring. The vibration is similar, with 3 speeds and 7 patterns, and the insertion length is longer at 6.5 inches.
Dial in your fit
Add the Jock Tightening and Vibrating Masturbator to your cart for plain packaging, privacy-safe billing and a mystery gift in every order.
For adult use only. Read the instruction manual before first use. Specifications are the manufacturer's.
