More than 20,000 shipping containers have tumbled overboard in the last decade and a half. Russ Lewis has picked up some strange things along the coast of Long Beach Peninsula in Washington state over the years: Hot Wheels bicycle helmets with feather tufts, life-size plastic turkey decoys made for hunters, colorful squirt guns.And Crocs — so many mismatched Crocs.If you find a single Croc shoe, you might think somebody lost it out on the beach, he said.