Content with one stallion (no
mares or futa presented in a provocative
or sexual manner. For multiple stallions, use stallions
only.

Note that disembodied or off-screen body parts mean that the stallion is
no longer solo.

Tentacles do not count as a character unless attached to one for the
purposes of tagging.

For safe-rated images, please just use solo and
stallion instead.

If the horse or pony is underage, please use solo
colt.

If the horse or pony is female, please use either solo
mare for an adult or solo filly
for underage.