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Over the years, Tim has acquired a number of objects that he now is unsure what they are or what they do. He sometimes calls an unknown object a WIF or What's It For?

Tim is looking forward to hearing from you, the YouTube audience, to make suggestions, or maybe actually tell him what these objects are really for.

However Tim starts with a strange object a green plastic tube with holes along its length, and a strip of foam inside it. Tim gives a clue you place it in water for about 20 seconds, and it is then ready for use. At the end of the video, he reveals what this unusual object is used for. Can you guess?