1) Concealed via sleight of hand 2) Concealed, magician-style 3) Did sleight of hand with 4) Hid in the hand 5) Hid, cardsharp-style 6) Hid, like a card sharp 7) Hidden in the hand 8) Picked up stealthily 9) Shoplifted Found on https://www.crosswordclues.com/clue/palmed
Palmed adjective Having or bearing a palm or palms. Palmed deer (Zoology) , a stag of full growth, bearing palms. See lst Palm , 4. Found on http://www.encyclo.co.uk/webster/P/9