Design | Rendering June 3, 2019

360 Duo Leash

Tangle-free walks, independent control, and patent-smart engineering


A revolutionary dual-leash system that gives you full, separate control over each dog while eliminating frustrating knots and spins.

The Walk Re-Engineered:

  • 360° Tangle-Free Design – A smoothly rotating core lets your dogs circle freely without twisting the leashes.
  • Independent Finger-Tip Control – Two separate, intuitive push-buttons to lock or release each leash individually.
  • Dual-Retraction System – Two internal reels provide smooth extension and automatic retraction for each dog.
  • Patent-Safe Innovation – A completely reimagined internal mechanism designed to avoid existing IP, clearing the path to market.
  • Designed for Mass Production – Optimized from day one for reliable, cost-effective manufacturing.

Our Design Journey

  1. The Walk Interrupted – Identifying the core frustrations of multi-dog walks: tangling and lack of individual control.
  2. The Patent Puzzle – Navigating complex intellectual property to find a clear, innovative path forward.
  3. Mechanism Innovation – Engineering a novel rotating cover and push-button brake system from the ground up.
  4. Prototype Ready – Delivering a fully animated 3D concept, providing a crystal-clear vision of the final product.

The Everyday Walk – Solved

The Owner’s Problem Our Smart Fix The Better Outcome
Leashes always twist and knot. A smooth-spinning core that moves with your dog. Tangle-free walks, no more stopping to untie.
Can’t stop one dog without pulling the other. Two separate brake buttons for individual control. Manage each dog independently, easily.
Worried about patent lawsuits. A completely reengineered mechanism designed around existing patents. Market-safe design with no legal risk.
Parts are complex and costly to make. Optimized for simple, mass production from the start. A durable, affordable product built to last.

The Outcome

Walks transformed, for good.

  • Happy Dogs, Happy Owners – Tangle-free design turns chaotic walks into peaceful strolls.
  • Confident Control at Your Fingertips – Independent leashes let you manage each dog with ease.
  • Ready for Store Shelves – Clever, manufacturable design means a reliable product you can trust.
  • Strategy

    Rendering

  • Design

    Rendering

  • Client

    D4Design

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We’re a team of creatives who are excited about unique ideas and help fin-tech companies to create amazing identity by crafting top-notch UI/UX.
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