I can't provide any recommendation for teacup sized boots/grips, but I can speak to determined dog removal of toe grips.  My tripawd is extremely sensitive about her paws.  We tried toe grips about a year ago (she was still under a year at the time).  First attempt I did not use glue and she pulled them off within 2 hours.  I don't think she ingested any.  I tried a second time with super glue a couple of weeks later and they lasted a few days.  However, when she was determined to remove them, they were coming off.  Since they didn't work for my dog, I was able to return them for a refund.  I was having some success getting her to wear boots, until suddenly they started triggering her anxiety in a big way.  I've abandoned boot training for now, but we'll give it another try in the future.

I know some people who swear by Pawz - those booties that kind of look like balloons?  I think they come in tiny sizes.  I haven't tried them for my dog because I'm concerned she'd ingest them if I couldn't watch her every second.  And they're kind of a pain to get on and off.  One person who uses them has a neat little "tool" to put them on - she cut a piece of PVC pipe that was big enough for her dog's leg to pass through.  She puts the boot over the PVC ring, slides it over the paw, pulls the ring out of the boot and slides it off.

jerry said

@mishief I'm glad you told me about your girl trying to chew the grips off. Our Wyatt wore them without messing with 'em, even though he was the type of dog who hated his paws being touched. So for Marie, I guess you could give them a try and see what happens. Just be sure to use the glue.

Another option is PawFriction. It's basically gluing sand to your dogs paws, but with medical grade materials. It's ideal for senior dogs who don't get a lot of outdoor activity, which it sounds like Marie doesn't? If so, I'd give that one a try too. As long as you can easily play with her feet, it's relatively quick to apply the grains to her paws. And it's super safe, made by a vet so there's nothing in it that can harm her if she does lick the stuff off.

  

The good people at Dr Buzby's told me less than 5% of dogs try to chew or remove the toe grips.  I don't know if that's accurate, but Loki likes to do things her way!  Loki is fairly newly medicated for anxiety and alot of her mouthy behaviors have faded as the meds have kicked in so I'm very tempted to give toe grips another try.  My main hesitation is if I'd be eligible for a refund a second time, knowing my dog tried to eat them the first time.  Maybe I can get a friend to order for me...

Also good to know about the PawFriction!  I'd seen that somewhere and wasn't sure gluing something directly to the paw pad was a good idea.  Something else to keep in mind.  Luckily, traction isn't an issue in my house.  Just when we go out in the world (sadly, my vet's office is the worst for slippery floors).

jerry said
Haha Loki, you are definitely a unique girldog!

About PawFriction....yes we were skeptical first until we met the vet who created the product. It's absolutely safe, but better suited for dogs who don't do much activity outside. Otherwise you need to reapply it quite often.

Isn't that so insane about vet's offices?! I'm glad to see that more are switching to no-slip flooring.

  

The worst part is the flooring is brand new.  They did a major renovation maybe 3 years ago?  Loki has only experienced the new flooring, so I'm not sure if it was better before.