This @redditships post looks like another example – like my previous post – of a mismatch in kinky desires. The guy seems to have a puppy kink going on, which his girlfriend doesn’t know how to handle. It’s easy to say she should invest in a collar, leash and muzzle, along with some intensive obedience training, but that’s not exactly what she signed up for.
I suspect they’d have a better chance of making things work if he at least came clean about it. Then it’s a discussion and a possible negotiation, rather than weird passive aggressive doggy behavior. Nobody likes having their leg humped non-consensually.
This artwork is by the artist Ikelag. Be cautious if you look up more of his work. I did a quick search before posting this and discovered that it’s mostly not femdom and often seems to depict people younger than I’d ever be comfortable featuring here. I found this via an old femdom tumblr and liked this particular piece too much not to use it.
I think it’s from a manga series known as 
This is actually the middle image from a sequence of three. You can see them
This is artwork from the 


I don’t have any great crating images, but this one does have a nice puppy and collar theme going on. I imagine the crate is just out of shot.
Art is obviously by the late great Namio Harukawa.