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For perfect contact and prevention of necrosis.

The collar offers the option of having multiple contact points that can be changed. This will prevent necrosis. Compatible with Feathers contacts - the best contacts in the world!



  • medium (26.5cm)
  • large (31.1cm)


Chameleon® Extender is compatible with:

  • Martin System
  • Dogtra
  • Dog Trace
  • E-Collar Technologies
  • Garmin
  • Sit Means Sit
  • Sport Dog 

Chameleon® Extender for other brands