Winter may not be out to get you, but it sure seems to be after your boat. Reading through 10 years' worth of winterizing claims, the Seaworthy editors were astonished at how many ways cold weather and ice can damage something made of metal, plastic, and fiberglass that lives its life out in the elements. The single most common winterizing mistake is not getting all the water out of — or enough antifreeze into — the engine, which is why our new winterizing brochure focuses on making sure you don't end up with a cracked engine block or manifold. But there are a lot of other ways winter can get your boat, most of which could be avoided with good winterizing practices. Engine damage aside, these are the 10 most common winter "gotchas" and how to avoid them.