🎈Writing equations on an inflated balloon can serve as a cheat sheet that is easily concealable.
💧Using wet ink on tape to copy equations and sticking it to your nail can help you discreetly cheat in exams.
🐶Stuffing loose stuffing from a fluffy toy into a plastic bag can create a comfortable and inconspicuous cheat sheet.
🎨Drawing a perfect circle can be achieved using objects like compasses, paperclips, or even a rubber chicken.
🎧Using wireless earbuds and a smartphone, you can eavesdrop on conversations and gather valuable information.