Vibrating Relaxation Feature Added to Some Chairs
Puzzle 4 of Furniture Easy Pack
Question is: Vibrating Relaxation Feature Added to Some Chairs
and the answer is: MASSAGE
Word Meaning:
MASSAGE — The action of rubbing, kneading or hitting someone's body, to help the person relax, prepare for muscular action (as in contact sports) or to relieve aches.
Definitions from Wiktionary.