I Can’t Let This Guy Out of My Sight
Image Source: People of Walmart
There are a few scenarios in play here. For one, this could be some public display of foreplay. Secondly, the man might enjoy being led around by a leash. Third, the woman could have the man on the leash as a preventative measure against him careening down the store in search of a chew toy. The most likely scenario: she is simply making it clear who wears the pants in the relationship.