Horseware Rambo Fieldsafe Headcollar in Red. The Horseware Rambo Fieldsafe Headcollar is the perfect headcollar for leaving on difficult to catch horses or ponies when turned out in the field. The Headcollar features a quick release clip on the cheek piece, a velcro breaking point to ensure if your horse or pony was to get caught up on a fence or tree he could break free from the headcollar preventing injury or panic and a reflective strip. The headcollar is made from Nylon but has velvet padding to ensure comfort and to prevent rubbing.