Spotted this U-shaped tool with multiple metal blades in my grandmother’s baking bin. It has a wooden handle but looks like some kind of strange knuckles.

have intricately carved wooden handles or decorative metalwork, indicating a time when kitchen tools were crafted with more aesthetic consideration.
Older models might also differ in the number of blades, with some featuring as few as three or as many as seven. The spacing and curvature might vary, offering different blending experiences. These variations can tell a lot about the preferences and technological advances of the time they were produced.
7. Key Clues That Confirm It’s A Pastry Blender, Not Something Else
To confirm that the mysterious tool is indeed