Why Do Crabs Rub Their Body on a Crab Trap - Gopro in a Crab Pot

Tied a Gopro to my crab pot and took some underwater shots. Saw crabs rubbing their body against my pot - strange behavior.
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[@johnhobbs7697]

Are they Molting? If so they probably itchy or trying to knock off their old shell

[@edquier40]

PK, the fishing industry leader in answering the who, what, where and why questions like a pro! Clearly the crab has an itch and the trap is a great carapace scratcher!

[@syvs4491]

Is he trying to knock off any barnacles?

[@carlreinkemeyer3848]

He's trying to get under the crab pot

[@Oregontrailblazin]

Scratching is good for you

[@orangetruckman]

He musta seen Baloo the bear do that from the jungle book 😉

[@jimmeyer777]

Knocking the barnacles off?

[@Vannguyen_69]

come on now...animals itch too.