Trailer welding

Trailer welding / Trailer glitch / Car in hand glitch / Trailer swiping 

 Is a patched glitch that allowed you to place a chair next to a sideways trailer spawner and spawning it. The trailer would spawn into your arm and be attached to you. 

 The 2 main use-cases for this were: 

 Getting to the palm island for palm wood safely 

 Obliterating someone's base (Known as "Trailer Swiping")