Vac U Lock Crystal Jellies Set Pink by Doc Johnson

Vac U Lock Crystal Jellies Set Pink by Doc Johnson is a complete strap-on harness system with four translucent pink attachments ranging from 6 to 8 inches that swap instantly using a patented pop-on mechanism. It's built for couples and experienced users who want variety without buying multiple harnesses.

What you're getting

Vac U Lock Crystal Jellies Set Pink by Doc Johnson gives you one adjustable harness and four completely different attachments so you can switch sensations mid-session without changing harnesses. The patented Vac-U-Lock system uses a simple pop-on mechanism—push down until it clicks, and you're ready to go. Each attachment is made from phthalate-free Crystal Jellies material that feels soft against skin yet holds its shape, and they vary in texture and length so you can explore what works best. Unlike buying multiple sex toys, this kit keeps everything in one harness, so fitting and comfort stay consistent.

The set includes a 6-inch classic dong, two 7.5-inch options (one with spiral ridges, one realistic), and an 8-inch ballsy cock with defined texture. A removable suction cup means you can use any attachment hands-free on smooth surfaces without the harness. The kit arrives with water-based lubricant, a natural toy cleaner, and refresh powder, so you have everything needed from day one.

Notable features

• Patented pop-on system: Swaps attachments in seconds with a simple push-down click, no tools or complicated steps required.
• Four distinct textures: Spiral ridges, realistic ballsy design, smooth classic shape, and a perfect prober give you multiple sensations to discover together.
• Adjustable Supreme Harness: Fits waists up to 69 centimetres with three interchangeable O-ring sizes for a secure, comfortable fit.
• Hands-free option: Removable suction cup lets you attach any dong to smooth surfaces for solo or partnered use without wearing the harness.
• Complete care kit: Natural toy cleaner and refresh powder keep all four attachments hygienic and ready to use.

Specs in full

• Attachments: Four Crystal Jellies dongs in translucent pink: 6 inches long (classic), 7.5 inches (spiral texture), 7.5 inches (realistic), 8 inches (ballsy design).
• Material: Phthalate-free Crystal Jellies silicone, soft yet firm, body-safe and nonporous.
• Harness: Adjustable Supreme Harness fits waists up to 69 centimetres; includes three O-ring sizes (small, medium, large).
• Attachment system: Patented Vac-U-Lock mechanism with secure pop-on/pop-off connection.
• Suction cup: Removable suction cup base for hands-free use on smooth, flat surfaces.
• Box contents: Harness, four attachments, suction cup, water-based lubricant, natural toy cleaner, refresh powder.
• Weight: Attachments approximately 100–150 grams each; harness approximately 50 grams.

Setting up a sex toy

Start by adjusting the harness to fit comfortably around your waist and hips. Loosen all straps fully, step into it, and tighten gradually until it sits snug without cutting off circulation. Choose which O-ring size feels right for your anatomy, then insert it into the designated slot on the harness front. Align your chosen attachment with the Vac-U-Lock plug and push straight down until you hear and feel the click—it should be secure and not wobble. Apply water-based lubricant generously to the attachment and to your partner's body before entry. The mechanism works similarly to a Pressure Gauged Penis Pump in that proper fit and positioning matter for safety and comfort.

During play, you can swap attachments by pressing the release button on the harness side and lifting the attachment straight up. Have your next choice ready with fresh lubricant applied. Start slowly with whichever attachment you choose, especially if either partner is new to strap-on play. The suction cup works on clean, smooth surfaces like tiles or shower walls—wet the cup slightly, press firmly, and it will hold. Never force any attachment on or off; the mechanism should click smoothly when properly aligned.

Is it right for you?

Care and storage

Wash all four attachments and the harness with mild soap and warm water immediately after use, then air dry completely on a clean towel. Store in a cool, dry place away from direct sunlight and heat sources, which can soften Crystal Jellies material over time. Use the included refresh powder occasionally to keep surfaces fresh and reduce odour. Keep the harness separate from the attachments if storing long-term. Replace any attachment if cracks, tears, or significant discolouration appear, as these compromise hygiene and safety.

Learn more

Understanding different toy materials helps you care for them properly and choose what suits your preferences. Read our guide to Glass Sex Toy care and features to explore how different materials compare. Knowing the strengths and limits of each material makes you a more confident, informed user.

What to expect

First-time users often underestimate how much the harness fit matters—spend time getting the waist and leg straps snug enough that nothing shifts during movement, but not so tight that it restricts breathing or cuts off sensation. Most people discover their preferred attachment within the first few sessions and return to it regularly, though the spiral texture and realistic designs tend to generate the most immediate interest.

The Vac-U-Lock mechanism is genuinely quick to use once you understand the motion, though the first swap usually feels fiddly. Push straight down and listen for the click; if it doesn't click, the alignment is off. Removing an attachment is even easier—there's usually a small release lever or button, depending on which O-ring size you're using. Clean thoroughly between swaps if you're changing attachments during a single session.

Crystal Jellies material stays flexible and soft even after months of regular use, which is why many people prefer it for longer sessions. It does absorb odour slightly more than other silicones, so the refresh powder genuinely helps. The translucent pink doesn't discolour easily if you store it away from sunlight, though some users notice slight yellowing after a year of regular use and storage in bright spaces.

Most returns happen when people underestimate harness fit or expect the system to work like a fixed single-attachment strap-on. If you know you want variety and you're willing to spend time getting the harness adjusted properly, this set typically stays in regular rotation.

How it compares

Worth adding to your collection?

Score this set if you're exploring strap-on play as a couple or you already know you enjoy it and want to stop buying single-attachment harnesses. Vac U Lock Crystal Jellies Set Pink gives you four completely different sensations, instant swapping, and everything needed to get started—no extra harness purchases or complicated setup required. Order it from Malechastity.com.au with discreet Australia-wide delivery. Genuine Brands, Backed by Warranty.