dirt or moisture if the clipper isn’t maintained properly.
The best approach is simple:
Keep the entire tool clean and dry.
Could the Hole Be a Design Feature?
Sometimes manufacturers intentionally incorporate functional elements that also improve the appearance of a product.
A small circular opening can make the clipper look more balanced or visually distinctive.
But in a mechanical tool, appearance is usually secondary to function.
If the hole is positioned around the lever’s attachment point, there’s a strong practical reason for it to exist.
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