personally i get a good buzz seeing my whip work like has been said there nose is second to none and when my dog starts zig zagging with his nose down i pretty much know for sure a chase is only seconds away the thing about whippets skin like moll says varies from one dog to another my dog went out a week past saturday tryed to jump a barbed wire fence and got caught leaving a 2 inch skin tear this had healed by thursday i took him out saturday past and again miss calculated his jump and got caught again ripping his old wound open again and giving himself a new 3 inch skin tear now personally