Stroking, E.g. a Lucky Charm for Good Luck

Puzzle 10 of Good luck Easy Pack

Question is: Stroking, E.g. a Lucky Charm for Good Luck

and the answer is: RUBBING

Word Meaning:

RUBBING — An impression of an embossed or incised surface made by placing a piece of paper over it and rubbing with graphite, crayon or other coloring agent.

Definitions from Wiktionary.