What's this kitchen item used for?

Here's an uncommon kitchen item. It's a wooden board with a large metal clip at the top. When I first saw it I thought it was brilliant because it helps with a job I hate. Very tempted to get one and I'm surprised more kitchens don't have one.

But what is it?
Whats this kitchen item used for?
Whats this kitchen item used for?
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23 d
It's used to keep fish steady when you descale them. The clip is used to hold the tail. Well done everyone who got it right without reverse image search.
What's this kitchen item used for?
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