Tags:
abs
anthro
balls
biceps
canid
canine
duo
fur
genitals
imageboard
knot
male
male/male
mammal
muscular
muscular anthro
muscular male
pecs
Rule34
size difference
tape measure
vein
veiny knot
veiny muscles
were
werecanid
werecanine
werewolf
zephyxus
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