Size of muzzle: R - Rottweiler 15 22 SH - Shih Tzu 3 7 B2 BX - Boxer DBD - Dogue de Bordeaux EM1 - English Mastiff large 0 10 R1 - Rottweiler 18 R3.5 25 4 A - Amstaff B4 D0 - Doberman small bitch DH - Datchhund F1 - French Bulldog Big OB1 OB4 13 R2L 20 RB - Russian Borzoi 28 6 B0.5 BM - Bullmastiff D2 EB2 - big English bulldog, short snout big dogs J1 0.5 R0 16 23 SL - Saluki 3.5 8 B3 BX1 - Boxer small DD - Great Dane EM2 - English Mastiff M - malinois 11 R1L 19 R3L 26 4L B - Boston Terrier BC - Border Collie D1 EB - English Bulldog F2 - French Bulldog Big OB2 P - Pitbull 14 R3 21 RR - Rodesian Ridgeback 29 6L B1 BT D3 EM - English Mastiff J2 1 R1 17 24 T - Terrier 30 9 B3.5 D - Doberman small DD1 - Great Dane small F - French Bulldog medium OB3 12 R2 2 R4 27 5 B0 BG - Beagle D1 - Doberman big EB1 - English Bulldog small GSD - German Shepherd
Use: For aggressive dogs Walking and daily use Obedience training Training For working dogs Winter walking Agitation/Attack training Vet visit Police/Military K9 training