Tips: Manual measurement, Allowable error 1-3cm.
1.Beijing bar,starlingsand othershortmouthNAdogs, dogsmouthwith alength of 5cm or moreto doOh!
2.muzzlejustsignoffsome extent, it is impossibleto make100% ofthe dogis not called, oh,otherwisethe dogwillhold back badof it.
3. Generaldogjusttwo dayswill be uncomfortableto wear, it mayscratchtear,this time should beto stop thedog,to comfortit!It will soon bea habit.
4.summerwear maskscan not be adjustedtoo tight,becausethe dog'stongueis the mainradiatorofficer,without prejudicetolickwaterstandard