You often find your cows rubbing themselves like this if your late to their milking
imgur.com category @honi_yudani
Health Tip: replace cow's milk with cunt's milk. I have one pet intended only for this.
imgur.com category @SingleMalhado
imgur.com category @SerCastosDayne
imgur.com category @tf_ff
be warned: this is how an old dairy cow looks like me - [F], 44, 105lb, 5'1 - mother
imgur.com category @Pia1_Tom1
Something's wrong with this milk! [M Human → F Cow][MTF/TGTF, Lactation] by Matemi
imgur.com category @SalamanderLavalamp
Something wrong with this milk! [F Human -> F Anthro Cow Girl] by matemi
imgur.com category @EVA-Beatrice