A saint bernard who was selectively dog aggressive wearing a shock collar with no safety off, prong collar that was way too loose, and an owner who was too small to control a dog of that size.
Females in heat.
Young kids, like toddlers, running around getting in unknown dogs faces and/or pulling tails.
Older kids who should know better doing as the toddlers would do.
People who turn their dog(s) loose and go sit in their car and then come out screaming and yelling about the dog fight their dog just started.
Shasta GSD 5/5/10 CGC, ITD, TC
"Dax" Thor z vom Weberhaus BCAT CAX2 CGCA ETD HCT NCO-1 PKD-T RATI RATN RA TC TKA 3/18/2013
"Hades" Guilty vom Blutfeuer 10/26/2018
Zena GSD 6/1/03-2/16/2016
Riley GSD/BC 1/10/05-2/1/2013