![Oneplan Pet on Twitter: "In Ancient Greece, spiked dog collars were invented to protect dogs throats from wolf attacks #FunFactFriday https://t.co/GWuRF92Zzu" / Twitter Oneplan Pet on Twitter: "In Ancient Greece, spiked dog collars were invented to protect dogs throats from wolf attacks #FunFactFriday https://t.co/GWuRF92Zzu" / Twitter](https://pbs.twimg.com/media/CcsGGGZWAAA_78i.jpg)
Oneplan Pet on Twitter: "In Ancient Greece, spiked dog collars were invented to protect dogs throats from wolf attacks #FunFactFriday https://t.co/GWuRF92Zzu" / Twitter
![Stock photo of Maremma Sheepdog wearing traditional anti-wolf spiked collar, locally.... Available for sale on www.naturepl.com Stock photo of Maremma Sheepdog wearing traditional anti-wolf spiked collar, locally.... Available for sale on www.naturepl.com](https://www.naturepl.com/cache/pcache2/01589557.jpg)
Stock photo of Maremma Sheepdog wearing traditional anti-wolf spiked collar, locally.... Available for sale on www.naturepl.com
![A sheep showing gratitude to the dog that saved him from a wolf attack. Notice the spike collar (not dog's blood) : r/interestingasfuck A sheep showing gratitude to the dog that saved him from a wolf attack. Notice the spike collar (not dog's blood) : r/interestingasfuck](https://preview.redd.it/pck74bfmg9p21.jpg?auto=webp&s=52d63eb98ea4810f54157f6d667bed16ed3b9485)
A sheep showing gratitude to the dog that saved him from a wolf attack. Notice the spike collar (not dog's blood) : r/interestingasfuck
![Maremma Sheepdog wearing traditional anti-wolf spiked collar, locally known as 'vreccale'. Gran Sasso National Park, Abruzzo, Italy, June Stock Photo - Alamy Maremma Sheepdog wearing traditional anti-wolf spiked collar, locally known as 'vreccale'. Gran Sasso National Park, Abruzzo, Italy, June Stock Photo - Alamy](https://c8.alamy.com/comp/2AKEJW7/maremma-sheepdog-wearing-traditional-anti-wolf-spiked-collar-locally-known-as-vreccale-gran-sasso-national-park-abruzzo-italy-june-2AKEJW7.jpg)
Maremma Sheepdog wearing traditional anti-wolf spiked collar, locally known as 'vreccale'. Gran Sasso National Park, Abruzzo, Italy, June Stock Photo - Alamy
![Anatolian Shepherd Dog with Spiked Iron Collar Lying on Pasture. Stock Photo - Image of anatolian, gray: 121084434 Anatolian Shepherd Dog with Spiked Iron Collar Lying on Pasture. Stock Photo - Image of anatolian, gray: 121084434](https://thumbs.dreamstime.com/z/anatolian-shepherd-dog-spiked-iron-collar-lying-pasture-spiked-iron-collar-protects-necks-dog-against-wolf-121084434.jpg)
Anatolian Shepherd Dog with Spiked Iron Collar Lying on Pasture. Stock Photo - Image of anatolian, gray: 121084434
![Anatolian Shepherd Dog with Spiked Iron Collar Lying on Pasture. Stock Image - Image of kangal, guard: 121084463 Anatolian Shepherd Dog with Spiked Iron Collar Lying on Pasture. Stock Image - Image of kangal, guard: 121084463](https://thumbs.dreamstime.com/b/anatolian-shepherd-dog-spiked-iron-collar-lying-pasture-spiked-iron-collar-protects-necks-dog-against-wolf-121084463.jpg)