How to fix loose Kitchen Faucet. DIY. #165 - YouTube
Fixed: How to Tighten A Loose Kitchen Faucet Base
plumbing - How to keep my sink from coming loose? - Home Improvement Stack Exchange
How to fix the base of a kitchen faucet that moves because it was not installed properly? Do I use caulk, plumber's putty, or stabilize it some other way - Quora