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.

cut into flour. It is ideal for pie crusts, biscuits, scones, and shortbread, where a tender, flaky texture is desired.
Its ability to quickly and uniformly incorporate cold fat into dry ingredients makes it indispensable in preventing the dough from becoming warm and overworked, which could lead to tough pastries. Its design allows for a gentle touch, crucial for maintaining the desired dough consistency.
9. Modern Alternatives And How They Compare  
9. Modern Alternatives And How They Compare
Today, modern alternatives to the pastry blender include food processors and stand