Why Prong Collar Links Wear Out & How to Fix It
By Gorilla Dog Beds: Dog Beds Made in the USA | Published: 2026-10-23
Category: How-to Guides
Prong collar links wear out from metal fatigue, corrosion, or improper fit. Learn to diagnose the problem, replace worn links, and extend your heavy-duty collar's life.
Quick answer
Prong collar links wear out from repeated stress, corrosion, or incorrect sizing. Replace worn links with stainless steel replacements from Herm Sprenger to restore fit and reliability.
Why links fail: metal fatigue and corrosion
The constant opening and closing of prong collar links during daily use creates micro-stress points in the metal. Over time, these stress points can develop hairline cracks, especially if the collar is frequently adjusted or subjected to sudden tension.
Moisture and sweat accelerate corrosion on standard steel links. Even plated links can pit or flake, weakening the connection. Stainless steel links resist this, but no metal is immune to fatigue under heavy or continuous use.
When to replace vs. when to stop using the collar
A single bent or cracked link compromises the entire collar's safety. If you spot visible damage, stop using the collar immediately to prevent the prong from detaching during training or walks.
Replacing individual links is cost-effective and extends the collar's life, but only if the rest of the collar is in good condition. If the collar strap is frayed, the buckle is loose, or multiple links show wear, replace the entire collar.
How to diagnose and fix worn prong collar links
- Symptom: The prong link feels loose, has visible cracks, or the collar no longer stays securely fastened. You may also hear a clicking sound when the collar is under tension.
- Likely cause: Repeated opening and closing of the link has caused metal fatigue, or moisture has corroded the link surface. Incorrect sizing (too tight or too loose) can also accelerate wear by putting uneven stress on the link.
- Corrective action: Remove the worn link using a small flathead screwdriver or link removal tool. Replace it with a stainless steel link from Herm Sprenger (2-pack), adding or removing extra links as needed to maintain proper fit. Ensure the new link is fully closed and secure. If the collar strap or buckle shows wear, replace the entire collar rather than just the links.
- Stop or choose another option: If the collar has been in use for more than two years, or if more than one link is damaged, stop using the collar. A complete replacement is safer than patching a compromised collar.
Product facts: links that solve the problem
- Herm Sprenger NeckTech Fun Extra Stainless Steel Links (2): Extra link is made of Stainless Steel, to prevent rust or corrosion. Adds 1.25″ (3cm) to the total length of the collar. 2 links per set. Stainless steel resists the corrosion that causes standard links to weaken, making these a durable replacement for worn links on Neck-Tech Fun collars.
Herm Sprenger NeckTech Fun Extra Stainless Steel Links (2) - Herm Sprenger NeckTech Sport Black Stainless Links (2): All Herm Sprenger Neck-Tech Sport collars come in standard sizes, but you can customize each for the perfect fit by adding or removing links. Extra link is made of Stainless Steel, to prevent rust or corrosion. These links let you fine-tune the fit of a Neck-Tech Sport collar while providing the same corrosion resistance, ideal for active dogs that work in wet conditions.
Herm Sprenger NeckTech Sport Black Stainless Links (2)
