Herm. Sprenger Black Stainless Steel Long Link Fur Saver Dog Training Collar | No-Pull Slip Chain for Small Medium Large Dogs for Easy Control Made in Germany | 3mm, 53cm (21in)

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Elusive_strength2000 posted on r/sheltie1w

The only thing is a Fursaver Martingale collar which also prevents pulling on the leash but won’t work with the GPS : https://a.co/d/0dAA7pSE

Herm. Sprenger Black Stainless Steel Long Link Fur Saver Dog Training Collar | No-Pull Slip Chain for Small Medium Large Dogs for Easy Control Made in Germany | 3mm, 53cm (21in) | eaves-shop