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PetSafe

®

 3in1 Harness

The PetSafe® 3in1 Harness is the perfect all-inclusive 
harness, designed for maximum comfort, adjustability 
and safety. The 3in1 Harness is a versatile harness that 
is great for everyday use. The harness can be used as a 
standard harness and can easily transition to a no-pull 
solution. It also features a seat belt handle to limit your 
dog’s movement in the car, creating a safer driving 
environment for the driver, passengers and pet.
Features of the harness include neoprene padded 
straps for added comfort and reflective nylon for added 
visibility.  Five-way adjustability provides the ultimate fit. 
Quick-release buckles on the shoulder strap and girth 
straps make it easy to get on and off your dog. 

Back Leash Attachment 

To use as a standard 
harness, attach your 
favorite leash to the 
D-ring on the back 
of the harness. If 
your dog typically 
pulls on the leash, 
he will likely 
continue to do 
so because of the 
“opposition reflex”. 
Opposition reflex is the reflex that causes sled dogs to 
pull against pressure.

No-Pull Leash Attachment

To transition to the 
no-pull function, 
attach a nylon or 
leather 4-6 ft. leash 
to the D-ring on the 
center chest strap 
of the harness. We 
don’t recommend 
using a retractable 
leash with the no-
pull function, as the 
constant tension could encourage the dog to pull.
Although the harness may have an immediate impact 
on your dog’s pulling habits, and it may be more 
manageable to walk him, he may still pull some while 
wearing it. The harness is designed to redirect your dog 
from pulling and help achieve a loose leash walk. The 
front leash attachment reduces pulling by steering your 
dog to the side and redirects his attention towards you. 
In addition, the martingale loop provides extra leverage 
for easy, relaxed control.
To achieve the best results, hold the leash so your dog 
has enough leash to walk by your side but not enough to 
forge ahead.

As soon as you feel tension on the leash, redirect your 
dog’s attention to you; you may need to slow down or 
stop. Once he is back in the desired heeling position, we 
suggest rewarding your dog with a treat before you start 
walking again. You may find yourself redirecting your 
dog quite a bit in the beginning, but with some patience, 
consistency and rewards (like a favorite treat or toy), he 
will quickly learn the correct way to walk with you.
Reward your dog often when he is walking politely 
beside you. Keep treats in a pouch or your pocket for 
quick access. 
Examples of rewards include:
•  Small pieces of a favorite tasty treat.
•  Praise! In a calm and pleasant voice, praise for good 

leash manners; never yell or scold as this may frighten 
your dog, hindering the learning process.

•  Releasing tension on the leash the instant your dog is 

walking politely next to you. 

No-pull leash tips: 
•  No tension and a loose leash = “YES!” and the walk 

continues. This is the moment to reward your dog with 
a treat or praise.

•  Tension or a tight leash = “No,” and you should gently 

redirect the dog back into position beside you.

•  Never jerk or yank the leash.

Use in a Car

When your dog is restrained, he should be able to sit or 
stand comfortably but will not have full access to roam 
the car. When restrained in the car, the PetSafe® 3in1 
Harness will prevent your dog from interfering with your 
driving, creating a safer experience. For the ultimate 
safety of you and your dog, do not restrain your dog in 
the front passenger seat. 
The PetSafe 3in1 Harness has multiple car restraint 
options designed to allow for the maximum comfort of 
your dog. Try each to find the best solution for your dog 
before going for your first car ride.

Option 1:

 Slide the seat belt through the gray seat belt 

handle, located on the back of the harness, and attach as 
usual. 

Option 2:

 Use the adjustable car control strap included 

with the harness. Slide the seatbelt through the handle of 
the car control strap, and buckle the seat belt as usual.

Car Control Strap Attachment Option 2A: 

Attach the car control strap to the D-ring on the back of 
the harness. 

Car Control Strap Attachment Option 2B: 

Attach the car control strap to the O-ring located on the 
belly of the dog.

Acclimating Your Dog  

to the Car Restraint

It may take some time for your dog to get used to being 
restrained in the car. You can help him acclimate with the 
use of these tips.
Place the harness on your dog, and let him wear it during 
normal daily use. Allow your dog to engage in his favorite 

activities - including playtime and mealtime - so that he 
associates a pleasant experience with the harness.
When he is comfortable wearing the harness during his 
daily activities, you can begin introducing him to wearing 
the harness in the car. Start with short, 5-10 minute 
training sessions in a parked car. Ask him to hop in and out 
of the car a few times, and give your dog treats when he 
is in the car. Your dog should be able to hop in and out as 
often as he likes and not feel like he is trapped. You can 
make your dog more comfortable by bringing in a familiar 
towel or blanket to sit on.
As he becomes comfortable in the car for longer periods 
of time, start introducing the seat belt attachment. Attach 
the seat belt by sliding it through the seat belt handle, 
and provide lots of treats and praise so he enjoys the 
experience. Give your dog time to acclimate to the 
sensation of being buckled in before you begin driving. It 
is best to do this in several short sessions. If the seat belt 
restraint makes your dog uncomfortable or restricts his 
movement too much, use the car control strap.
Take shorter drives at first so your dog can become 
familiar with traveling while restrained in the car. As he 
becomes more comfortable, you can take longer trips.

Running or Jogging With the  

PetSafe 3in1 Harness

The 3in1 harness is a great harness for everyday use, 
including running or jogging. We suggest using only the 
back leash attachment when running. A leash attached to 
the center chest strap when running could accidentally 
trip your dog.
Be sure to fit the harness according to the fitting 
instructions. If your dog begins to chafe, stop using the 
harness, and consult your veterinarian.

Unwanted Behaviors on Walks

If your dog is exhibiting other behavior problems on 
walks, such as excessive barking, lunging, aggression or 
fearful behaviors, we encourage you to consult with a 
local trainer, veterinarian or behavior specialist. 

Warranty

Check the harness regularly, especially on growing dogs. 
Over time and multiple uses the harness may stretch or 
adjust. Examine the harness for signs of chewing, fraying 
or damage. Do not leave your dog unattended while 
wearing the harness. When not in use, safely store the 
harness. If your dog chews the 3in1 Harness, we will gladly 
replace it for a small fee. Call (800) 732-2677 for details.

3 in 1

Harness

Radio Syst

ems Corpor

ation 

 10427 

PetSaf

e W

ay 

Knoxvill

e, TN 37932

 

 800.732.2677

 

www.petsaf

e.net 

©2016 Radio Syst

ems Corpor

ation

Made in China.

400-2068

Fitting & Use Guide

Important Safety Informa

tion

Explanation of A

ttention 

Wor

ds and Symbol in this 

Guide.

CAUTION, 

without the safety

 alert s

ymbol, is 

used to addr

ess practic

es not relat

ed to personal injury

Risk of Serious Injury:

 if y

ou’re securing a 

dog in a vehicl

e, only use this pr

oduct in the rear

 passenger 

seat. This harness has not been cr

ash test

ed. No dog 

restr

aint can guar

antee pr

otection fr

om injury or

 death, but 

proper

 use helps reduc

e the risk. Befor

e using this product, 

read and f

ollow

 all of the instructions and 

warnings.

Do not lea

ve 

your

 dog unattended in the c

ar, especiall

y in 

warmer

 weather

.

Not f

or tie-out use.

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