Hand Detaching During Handshake
Scholars have said that if someone dreams of shaking hands with a Muslim man and his hand detaches, it may indicate that they entrust something to that man, but he fails to fulfill the trust.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.