When I was a trainer teaching classes I quickly banned these leashes from class time, as dogs can suddenly dash into the space of another dog that might have social issues. This has continued to plague us at the store, as many dogs are reactive on leash or simply overexcited by other dogs. Some dogs are painfully frightened of being in a store to begin with, and being in close space with other dogs nearby can exacerbate this. When another dog on a retractable leash can quickly rush into their