https://5e.tools/adventure.html#jttrc,5,peril%20at%20the%20parade
>Diva Luma uses the assassin stat block, but her only weapon is her wicked, high-heeled shoe, which functions as a Shortsword attack without poison. The other two divas use the scout stat block and attack only with broken bottles that function the same as their Shortsword attack.
High heels count as shortswords, and so do broken bottles.