http://leponeyfringant.wix.com/metamorph-ose
http://equirona.blogspot.fr/2014/06/jai-teste-le-licol-horse-ropes.html
http://www.georgettemag.com/2014/07/concours-ethologie-horse-ropes/
https://mlleponey.com/2017/02/24/horse-and-ropes-materiel-ethologique/
https://penseescavalieres.com/2016/11/01/mes-achats-equitalyon-2016/