Dog bones and keeping them busy

Lucy’s response to the Kong is to get most of the peanut butter or cheese out, then to take a half step back and bark loudly at me until I “solve” the problem of getting the rest of the peanut butter or cheese out.
And the kong that’s appropriate for a dog her size (small, not tiny, but small) only lasts about 10 minutes. (it’s the problem with a lot of puzzle feeders - they’re for bigger dogs)

She does like these (fake rawhide):