Vac-U-Lock 2 Leather Strap-On with Plug by Doc Johnson

The Vac-U-Lock 2 Leather Strap-On with Plug by Doc Johnson is a leather harness system made to hold compatible attachments securely via a vacuum-lock mechanism during partnered play. The adjustable waist and open crotch design offer comfort and control for dominant partners seeking commanding presence and adaptability in role play.

About this product

The Vac-U-Lock 2 Leather Strap-On with Plug by Doc Johnson combines quality leather craftsmanship with a rock-solid vacuum-lock attachment system. The harness wraps around your waist with adjustable straps that secure firmly without shifting, and the open crotch design accommodates different body types whilst allowing natural positioning. The Vac-U-Lock mechanism holds compatible attachments with zero wobble, distinguishing this system from basic fabric harnesses that lack secure connection.

Doc Johnson's engineering ensures that the leather sits comfortably against skin whilst maintaining commanding presence. The harness works with the entire range of Vac-U-Lock attachments, meaning a single investment opens access to multiple anal sex toys and other compatible inserts without purchasing separate harnesses. This modular approach lets you explore different sensations within one secure, well-made system.

Key features

• Leather construction: Durable, high-grade material that feels luxurious and looks commanding during extended wear.
• Vac-U-Lock system: Vacuum-sealed attachment mechanism keeps any compatible insert perfectly positioned with zero movement.
• Adjustable waist: Customisable fit up to 53 inches ensures snug, secure positioning on different body types.
• Open crotch design: Maximum access and comfort for both partners, with natural positioning for men.
• Attachment compatibility: Works instantly with Doc Johnson's complete range of Vac-U-Lock inserts for endless play variations.

Full specifications

• Brand: Doc Johnson, established manufacturer since 1976.
• Material: Genuine leather harness with adjustable nylon or leather straps.
• Waist size: Adjustable from smaller waists up to 53 inches maximum circumference.
• Attachment system: Vac-U-Lock vacuum-seal mechanism compatible with all Doc Johnson Vac-U-Lock attachments.
• Weight: Lightweight leather harness, minimal added weight during wear.
• Box contents: Leather harness with Vac-U-Lock plug attachment included.

Warm-up, use and removal

Before wearing, adjust all straps to a comfortable fit around your waist—snug enough to stay secure but loose enough for unrestricted movement. Apply water-based lubricant to any attachment and press it firmly into the Vac-U-Lock base until you hear or feel the seal engage. The vacuum connection holds it in place through play without additional tightening. When you're ready to use the harness with a partner, communicate clearly about pace and comfort, and take time to warm up together before introducing any attachment.

After play, remove the attachment by gently pulling it straight away from the Vac-U-Lock base—the seal releases easily without force. Wash the leather harness with a soft, damp cloth and mild soap, then pat dry immediately to prevent water staining. Attachments should be cleaned separately according to their material. The vacuum-lock mechanism itself requires no maintenance, though occasionally wiping the connection point keeps the seal working optimally. Store the harness and any butt plugs or attachments separately in a cool place away from heat or direct sunlight.

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Care and storage

Wipe the leather harness clean with a soft, damp cloth immediately after play, then pat dry with a towel to prevent water marks or mildew. Use mild soap on stubborn residue, but avoid soaking or submerging the leather. Store the harness flat or hung in a cool, dry place away from heat, direct sunlight, or humidity—these conditions preserve the leather's suppleness and prevent cracking or discolouration. Keep attachments separate and store them in a clean, dry container. The Vac-U-Lock mechanism requires no special maintenance beyond occasional inspection for dust or debris.

Learn more

Understanding how different harness designs and attachment systems work will help you make the most of your setup. Read our detailed Anal Sex Toys Guide for expert guidance on selection, use, and care. The guide covers sizing, warm-up techniques, communication strategies, and how to choose attachments that suit your body and preferences.

What to expect

The leather harness takes a few wears to mould to your body. New leather feels stiff at first, but it softens and conforms within the first few uses, becoming more comfortable as it breaks in. The adjustable straps initially require careful tuning—most people discover their ideal fit after one or two sessions. The open crotch design works exactly as advertised, providing both comfort and access without pinching or bunching.

The Vac-U-Lock system feels rock-solid once you understand the engagement process. The vacuum seal holds firmly throughout play without manual adjustment, and switching attachments between sessions takes seconds. First-timers often worry the attachment might slip, but the mechanism performs consistently when the seal is properly engaged. The leather itself requires immediate post-play cleaning to prevent staining, especially if water-based lubricant is used.

Durability is genuinely strong—quality leather construction withstands repeated use without degradation when cared for properly. The main challenge is not maintenance but finding your ideal waist adjustment and understanding how the open crotch design works with your body type. Men typically appreciate how naturally the design accommodates their anatomy, whilst all users benefit from the confidence that comes with secure, commanding gear.

How it compares

Why you'll reach for it

Score your confidence boost and commanding presence with the Vac-U-Lock 2 Leather Strap-On with Plug. The secure vacuum-lock mechanism, quality leather, and modular attachment system mean you have one investment that grows with your interests. Order it from Malechastity.com.au with discreet Australia-wide delivery and start exploring power play with gear you trust to perform reliably every time. An Established Australian Adult Retailer.