Where can I find shoes with removeable soles?

Friend/acquaintence of mine is trying to find shoes with removeable soles, or bottoms, that would make her leave 'footprints' or tracks that are akin to dog, cats, etc. Theres tons of stuff about kids shoes doing something like this, but are there any adult types of shoes out there with something... show more Friend/acquaintence of mine is trying to find shoes with removeable soles, or bottoms, that would make her leave 'footprints' or tracks that are akin to dog, cats, etc.
Theres tons of stuff about kids shoes doing something like this, but are there any adult types of shoes out there with something similar??
Any advice or suggestions on where to look would be nice. Thanks.
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