Direct answer
For equipment sensitivity, separate the sight of the harness, approach to the body, head opening, fastening, and movement into small rewarded steps. Stop if the dog freezes, retreats, or shows escalating distress.
Separate the pieces
First reinforce looking at and approaching the equipment. Next practise nose movement near a wide opening without fastening it.
Check physical fit
Rubbing, restricted shoulder movement, pressure behind the legs, or difficult buckles can create real discomfort.
Change the prediction
Short calm sessions that end before fastening can rebuild comfort. Do not make every equipment appearance lead to a busy walk.
What to avoid
Keep the response gentle.
Avoid pushing the dog’s head through while holding the body still.
Safety boundary
When to get more help.
Sudden equipment sensitivity, pain, skin irritation, or snapping needs veterinary and behavior assessment.
References
Evidence and professional guidance
Related reading