Ferplast Twin 15/42 is a lead coupler for walking two dogs at once from the Italian brand Ferplast. It's made of strong 1.5 cm nylon, and the length adjusts from 28 to 42 cm with a central locking buckle. The metal clips and rings are corrosion-protected. It comes in various colours. It lets you walk two dogs while keeping one hand free and, according to the manufacturer, suits dogs of different sizes and breeds.
How a coupler works
A coupler is a short split lead with a clip at each end and a ring in the middle. Each clip attaches to one dog's collar or harness, and the main lead you hold clips to the central ring. Both dogs walk side by side and the leads don't twist. The adjustable length lets you fit it to your dogs' height — the closer they are in size, the easier it is.
Key specs
| Parameter | Value |
|---|---|
| Type | coupler for two dogs |
| Material | nylon |
| Width | 1.5 cm |
| Length | 28–42 cm, adjustable |
| Hardware | corrosion-protected metal |
| Colour | assorted |
| Brand | Ferplast, Italy |
Pros
- Two dogs, one lead. One hand stays free.
- No tangling. The dogs walk side by side.
- Adjustable length. 28–42 cm to suit the dogs' height.
- Strong nylon. Handles active walks.
- Rust-resistant hardware. Won't corrode after rain.
- Bright colours. Easy to see and fun to look at.
Cons
- Needs a main lead. The coupler clips onto it and has no handle.
- 1.5 cm wide. Very large, strong dogs are better off with a wider coupler.
- The dogs must get along. Dogs that clash or walk at very different speeds are hard to manage this way.
- Short length. The dogs walk close together and can't spread out.
How to use it
Adjust the length with the buckle so the dogs walk side by side without bumping. Clip the ends to their collars or harnesses and the main lead to the central ring. For dogs that pull, it's better to clip the coupler to harnesses so jerks don't press on the neck — see how to choose a harness or collar for your dog. Check the clips and buckle before every walk.
Getting your dogs used to it
Start with walks on the coupler in the garden or a quiet street. Praise calm walking side by side and stop often. If one dog keeps pulling while the other lags, train each separately on a normal lead first, then bring them together. A coupler is handy for town walks, but for running free and play, unclip the dogs in safe places. Comparing lead types is easier with retractable or standard lead.
Safety
Don't use a coupler for dogs that don't get along, or for puppies not yet used to a lead. Near roads, keep the main lead short. For evening walks add reflective gear — tips in walking your dog in the dark. A comfortable harness with reflectors is, for example, the Dog Extreme Police.
How to choose a coupler
Go by the dogs' size and strength: about 1.5 cm wide suits small and medium dogs, and 2–2.5 cm is better for large ones. Adjustable length is handy if the dogs differ in height. Check the clips: they should open easily with one hand but hold securely.
Who it suits
Owners of two dogs that walk together and get along well, especially for town walks. More leads are in the dog leads section.
Verdict
The Ferplast Twin 15/42 is a simple, sturdy nylon coupler that lets you walk two dogs on one lead without tangles. It has an adjustable length and rust-resistant hardware. The downsides are that you need a separate main lead, and the 1.5 cm width may not be enough for large, strong dogs.
FAQ
What is a coupler?
A split lead that lets you walk two dogs on one main lead.
How long is it?
Adjustable from 28 to 42 cm.
Do I need a separate lead?
Yes, the main lead clips to the coupler's central ring.
How wide is it?
1.5 cm.
Is it suitable for large dogs?
For very large, strong dogs, choose a wider coupler.
Does the hardware rust?
The metal parts are corrosion-protected.
Can it be clipped to harnesses?
Yes, and for dogs that pull it's actually preferable.



