Manny Santiago is known for pushing himself. Skating rails in the rain is a shining example of that. A waxed, metal, wet rail has got to be one of the slipperiest surfaces on the planet. Here's what happens when you miss locking in by half an inch. Kinda hard to watch for some people, so beware! Filmed at the Diamond Skate Park by Arnaldo Rosario and Micky Papa.