00:00The snake peels out of its own skin, but when it gets to the base of its tail, a brand
00:04New rattle segment stays attached.
00:07At first, it's soft and connected to living tissue, but after they shed, it dries into a hard, hollow shell
00:14and locks onto the older segments behind it, meaning the rattle gets longer with each shed.
00:21Now, you might think there's actually something rattling inside, but the rattle is actually empty.
00:27When the snake shakes its tail, those hollow pieces slam into each other extremely fast, which creates the rattle sound.
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