New Training Protocol
It was strange having that feeling when he wasn't wearing the dog mask, though his silver rubber member throbbing hard in the jock he had been given by cloudy as well as his shiny tail was a decent enough reminder.
The Echoes of War
When their faces came into focus he realized that the men didn't just wear dog masks or their hides, what he stared at looked like a humanoid version of a dog as he told the men on the ground that they would come back for them as soon as they turned
The Reveal (a fragment)
The next image had a much more canid shape to the figure in it, although the it was close enough that the attempt at a functioning face looked like a dog mask that a human would wear at a costume party.
Masked Intentions - Part 1 (Dog TF)
Rich reached into his bag and passed the wooden dog-mask to a glum-faced seth. "see you tomorrow?" "...yeah.
Echoes of War - (TF Story)
When their faces came into focus he realized that the men didn't just wear dog masks or their hides, what he stared at looked like a humanoid version of a dog as he told the men on the ground that they would come back for them as soon as they turned
Outside Looking In- CH 6 The Kidnapping
Next to a table was a man that was scantily clad in bondage leather and wearing a dog mask. as kyle looked around the man began to bark at kyle menacingly.
Locker Room Dogs 1.5
He'd been wearing his collar, but had also somehow managed to put on one of hunter's leather dog-masks and get some restraints around his wrists before changing too much to make it trickier to do that to yourself.
Ch 11. New Roles
A leather molded and very custom dogs mask, complete with ears, and grinning muzzle. item two, a long leather leash and collar, one bone shaped tag with the word "lem" on it. lem stared for a second at the items.
The Other Side of the Fence, pt. 1
A gag from the dog mask inserted into his maw and kept him from speaking, except for a small hole in the gag that transformed any sounds into a whistle resembling the whimpering cries of a feral dog.
Fox Hunt 1
The guests had all seen our faces when we helped them mount, and now we were fitted with the dog masks. i may have forgotten to mention the shoes and gloves.
Muku
The huge dog just craned his head up, and began licking the rubber dog mask covering the monkey's face.
NOC Ch4: Down time
"suck a dick, coach fagballs," a particularly bold cheetah said as he jogged past the older dog, masking the words by panting heavily while he spoke. "what was that, scott?" bj hollered back, turning towards the lean cat.