A man’s tie could always substitute as his leash should it become necessary.
Still, no need to ruin or damage a perfectly good tie. You can’t just throw them in the wash when you get home, those things have to be dry cleaned to come out looking perfect again.
So, look around. Be inventive. Or just carry some yarn in a pocket of your purse. A nice bright, neon pink colour will do.
Always be prepared. 😉