Tie off with one of those boat cleats hooked up possibly to your wall or perhaps the 2x4. For extra basic safety , use 4 light chains with J hooks to secure from eyebolt on 2x4 to corresponding joist eyebolt I've bought a small ceiling much too. The first proprietor https://hard-top-lifter10864.theideasblog.com/32599284/about-smarterhome-jeep-hard-top-lifter