Palming
Palming is the act of concealing an object in the hand, typically by resting it in the palm or against the base of the fingers so that it is not visible to an observer. The term is most commonly associated with magic and illusion, where palming enables covert transfers, vanishes, or productions of small items such as coins or playing cards. It also appears in other contexts involving manual concealment, including sports and dexterity demonstrations.
In magic, palming relies on a natural hand posture, relaxed grip, and misdirection. The performer positions
In sports, the verb can describe gripping an object with one hand, notably the act of palming
Safety and ethics: Palming should be practiced with care to avoid leaving fingerprints or injuring the hand;