they palmed off their shoddiest products on the tourists:
foist, fob off, offload, get rid of, dispose of;
informal unload.
noun
□ grease someone's palm
bribe, buy off, buy, corrupt, suborn, give an inducement to;
informal give a backhander to, give a sweetener to, square.
□ have someone in the palm of one's hand
have control over, have power over, have influence over, have someone at one's mercy, have someone in one's clutches, have someone eating out of one's hand, have someone on a string;