COOLP Camphorencer Japanese Masturbator by Exe and King

The COOLP Camphorencer Japanese Masturbator by Exe and King is a closed-end stroker with interlocking ridges and a textured inner canal designed for intense sensation. Its medium weight and single open end create strong suction and grip. Made in Japan, it suits solo use and comes with lubricant.

About this product

The COOLP Camphorencer Japanese Masturbator by Exe and King is a character-themed stroker engineered for internal sensation through a series of raised ridges and finely detailed texturing along its full inner length. The sleeve is crafted from firm TPE and weighs 380 grams, balancing stimulation intensity with comfortable handling. Its single open end and closed base create a tight seal that builds suction as you stroke.

The design focuses on tactile contrast — the smooth outer contours make gripping and stroking intuitive, while the undulating inner texture presses against the sensitive surfaces of your penis from all angles. The wider vaginal entrance allows smooth entry without resistance, then the ridged canal engages immediately. Unlike some textured strokers, this one concentrates its stimulation patterns in a continuous wave rather than scattered bumps, creating a rolling sensation throughout the stroke.

The highlights

• Interlocking ridge pattern: Ridges run the length of the inner canal, creating continuous stimulation across the entire stroke rather than isolated pressure points.
• Single open end: The closed design at the base generates suction as you thrust, intensifying grip and sensation without additional equipment.
• Firm, medium-weight construction: At 380 grams, the stroker stays stable during use and fits comfortably in one hand without excessive fatigue.
• Smooth entry: The larger vaginal opening slides over the penis without catching or requiring adjustment, so stimulation begins immediately.
• Straight outer profile: The cylindrical shape makes stroking motion straightforward and reduces the learning curve for first-time users.

Specs in full

• Hole type: Vaginal opening
• Dimensions: 160 mm long × 60 mm diameter (6.3 × 2.4 inches)
• Inner canal length: Approximately 140 mm of textured interior
• Weight: 380 grams (13.4 ounces)
• Material: Firm TPE with interlocking ridge texture and smooth outer sleeve
• Design: Closed-end stroker; open at one end only
• Firmness rating: 3 out of 5
• Box contents: Masturbator, lubricant sachet, illustrated character artwork packaging
• Manufacture: Made in Japan

Setting up a masturbators and stroker

Before first use, rinse the stroker under warm water to remove any manufacturing residue, then pat dry. Apply lubricant generously — both inside the canal and over your penis. The included sachet provides enough for several sessions; water-based lubricant works best and washes away easily. Hold the stroker firmly with one hand while guiding yourself in with the other, angling slightly to avoid air locks that can reduce suction.

Stroke smoothly at a pace that lets you feel the ridge pattern working across your length. Because Japanese ona holes rely on closure and suction, vary your grip pressure to control intensity — tighter grip builds suction, looser grip reduces it. Start slowly to understand the texture, then increase pace as desired. After use, allow the stroker to cool before cleaning, as warm TPE can absorb odours more easily.

Is this the one for you?

Care and storage

Rinse the stroker immediately after use under warm running water, working water through the open end to flush the inner canal. Use a soft cloth to dry the outside, then stand it upright to air-dry completely inside before storage. Store in a cool, dry place away from direct heat or sunlight. Do not use harsh soaps or alcohol-based cleaners, as these can degrade the TPE. Check the material regularly for small tears or discolouration.

Read more on this

Japanese masturbators have a long history of innovative design and quality manufacturing. Learn more about the evolution of stroker technology and material science in our guide to Tenga Masturbators, which covers how texture patterns and closure types affect sensation and performance across the market.

What to expect

The firm TPE and medium 380-gram weight mean this stroker delivers consistent pressure without collapsing or losing texture definition over time. The ridged interior will feel most pronounced on your first few uses; your sensitivity naturally adjusts, so consider varying your speed and grip to rediscover intensity if sensation feels reduced after several sessions.

First-time users often underestimate the importance of lubricant — the ridges grip tightly, and dry stroking will cause discomfort and accelerate material wear. Use enough that the stroker feels slick throughout the full stroke. The suction can surprise newcomers; if the seal feels too intense, stroke slower or loosen your grip slightly to let air move in and out.

Cleaning is straightforward because the single open end allows water to flush the entire canal easily. Most people manage cleaning in under a minute. The stroker will last several years with regular cleaning and proper storage, though the TPE will gradually lose elasticity and the ridges may flatten slightly with heavy, frequent use.

This stroker suits people who enjoy defined internal texture and don't mind firm pressure. Those who prefer softer, more forgiving sleeves or dislike suction sensations typically find closed-end designs less comfortable. The straight profile and medium weight make it accessible to most users regardless of experience.

How it compares

The bottom line

Pick up the COOLP Camphorencer Japanese Masturbator by Exe and King if you want a firm stroker with pronounced ridges and strong suction from its sealed design. The 380-gram weight and straightforward cylindrical shape make it intuitive to use, and the textured inner canal delivers sensation across the entire stroke. Order it from Malechastity.com.au with discreet Australia-wide delivery, and start with the included lubricant to experience the full grip and texture of this Japanese-made stroker. An Established Australian Adult Retailer.