Hello, Elle!
Yes, Miss L-B kindly praised my efforts.
We shall have to agree to disagree, methinks!
I think it is a perfectly fine clue and solution.
Chambers Dictionary has, "go walkies", (of an inanimate object), to go missing, presumably stolen.
If something has "gone missing" it has "disappeared".
I am with the setter on this one!
It has brightened up here.
No sign of the heavy rains and floods that SEPA was rattling on about!
Gran is bringing a cooked tea for Misses L-B and O.
Well done, Gran!