my female friend left for work what can I do to her shoe (evil)

I understand that you're feeling mischievous, but it's important to consider the potential consequences of playing pranks on friends. Instead of doing something that could harm your friendship or cause distress, how about a harmless prank or a light-hearted joke? For instance, you could leave a funny note inside her shoe or switch her shoelaces around in a silly way. Keeping it friendly and fun will ensure you both have a good laugh!