Fido Cock Sheath

The Fido Cock Sheath from Oxballs is designed for anyone who wants to transform their natural shape into something thicker, longer, and more animalistic. Styled to resemble a hefty, beastly cock with a pronounced knot in the middle, this sheath turns your shaft into a bold, eye-catching centerpiece while adding extra fullness for your partner.

Made from Oxballs' signature FLEXtpr, Fido is super soft and stretchy, created to mold to your body like a second skin. The material is engineered to grip and meld to your shaft so it feels like an extension of you rather than a separate toy. Once you are inside, the sheath is meant to move with you, staying snug and secure as you thrust, grind, or play on all fours.

Fido features a hollow inner chamber that you slide into, which is designed to create a sloppy, sucking sensation around your shaft. As you move, the soft walls of the sheath work your cock while you work your partner, adding an extra layer of stimulation for you as well as a thicker, fuller feel for them. The fat, fleshy design and the thick knot detail in the middle contribute to a more intense, pup-inspired look and feel.

To use, coat the inside of the sheath with your favorite lube to help you slide in comfortably. Once you are fully inserted, pull your balls through the built-in COCKSLING at the base. This integrated sling is designed to cradle your nuts and anchor the sheath in place, helping to keep Fido locked on your shaft even during rough, energetic play. The COCKSLING also helps keep you plumped and ready, so the sheath stays molded to your meat.

Fido is designed to increase both girth and length. The super stretchy FLEXtpr construction is intended to fit a wide range of sizes, stretching to accommodate your natural shape while still providing a snug, secure grip. Because the material is so flexible, it can adapt to different body types and erection levels, making it a versatile option for many users.

The hollow inner chamber is not just empty space; it is built to be adjustable so you can fine-tune how Fido feels on your body. Each sheath comes with a nub insert that is designed to lock into the chamber. When you place this insert inside, it shortens the inner length of the sheath, effectively bringing the tip closer to your own head. This can create a tighter fit and more direct pressure, which many users find intensifies the sensation.

In addition to the nub insert, Fido includes a bullet-style insert that lets you further customize the feel of the inner chamber. By adjusting or removing the insert, you can change how much space is inside and how the sheath hugs your shaft. This flexibility allows you to experiment until you find the level of suction, tightness, and contact that feels best for you.

For an even more secure grip, Oxballs recommends "burping" the sheath once you are inside. After you have slid in and pulled your balls through the COCKSLING, squeeze the length of Fido firmly from the tip down toward the base to push out any trapped air. Releasing that air helps create a stronger suction effect inside the chamber, pulling the material closer to your shaft and enhancing the locked-on sensation.

Once in place, Fido is designed to stay put. The combination of the suction grip, the snug FLEXtpr material, and the built-in COCKSLING helps keep the sheath melded to your cock no matter how hard you are moving. Whether you are pounding into a partner, grinding at a mosh, or crawling on all fours with your new doggy dong swinging between your legs, the design is meant to remain secure and comfortable.

Fido is as much about visual fantasy as it is about physical sensation. The fat, fleshy profile and thick knot give your shaft a distinctly pup-inspired look that can be a major turn-on for you and anyone watching or playing with you. Wearing it at a mosh or during roleplay can draw attention and admiration, while using it during penetration can deliver a fuller, more intense experience for your partner.

Because the sheath is made from super soft, stretchy FLEXtpr, it is easy to put on and take off with a bit of lube and patience. The material is designed to be durable enough for enthusiastic play while still feeling plush and yielding against your skin. With proper care between uses, Fido can become a regular part of your gear rotation, ready whenever you want to bring out your inner pup.

Whether you are looking to boost your girth and length, explore pup play aesthetics, or simply enjoy the feeling of a soft, sucking sheath around your shaft, the Fido Cock Sheath offers a customizable, body-hugging experience. Its combination of FLEXtpr construction, adjustable inner chamber, nub insert, bullet-style insert, and built-in COCKSLING work together to keep your doggy dong plumped, secure, and ready for action.