![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
![K-Pg chicken on Twitter: "Traditional livestock guardian wolf collars clockwise: Turkish kangal collar, Italian vreccale, Spanish carlanca antigua, leather carlanca https://t.co/eYfsrFbuz0" / Twitter K-Pg chicken on Twitter: "Traditional livestock guardian wolf collars clockwise: Turkish kangal collar, Italian vreccale, Spanish carlanca antigua, leather carlanca https://t.co/eYfsrFbuz0" / Twitter](https://pbs.twimg.com/media/FWegEN2WYAAfD95.png)
K-Pg chicken on Twitter: "Traditional livestock guardian wolf collars clockwise: Turkish kangal collar, Italian vreccale, Spanish carlanca antigua, leather carlanca https://t.co/eYfsrFbuz0" / Twitter
Maremma Sheepdog wearing traditional anti-wolf spiked collar - Stock Image - C046/4191 - Science Photo Library
![Wolf Dog with Collar Full Body Portrait with Eyes with an Intense Gaze Stock Photo - Image of extraordinary, body: 169864522 Wolf Dog with Collar Full Body Portrait with Eyes with an Intense Gaze Stock Photo - Image of extraordinary, body: 169864522](https://thumbs.dreamstime.com/z/wolf-dog-collar-full-body-portrait-eyes-intense-gaze-adomesticated-big-grey-wolf-head-portarit-looking-away-to-169864522.jpg)
Wolf Dog with Collar Full Body Portrait with Eyes with an Intense Gaze Stock Photo - Image of extraordinary, body: 169864522
![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
![Anatolian shepherd dog with spiked iron collar lying on pasture. (Spiked iron collar protects the necks of dog against wolf Stock Photo - Alamy Anatolian shepherd dog with spiked iron collar lying on pasture. (Spiked iron collar protects the necks of dog against wolf Stock Photo - Alamy](https://c8.alamy.com/comp/PGR71F/anatolian-shepherd-dog-with-spiked-iron-collar-lying-on-pasture-spiked-iron-collar-protects-the-necks-of-dog-against-wolf-PGR71F.jpg)