These are similar to but smaller than broad beans, with a darker and harder skin.

The hard skin is difficult to cut and requires a sharp knife to slice through.

The tubers have a hard, dark skin and are peeled before eating.

The hard skin and scales of the gar were used by humans.

Various insects may penetrate the hard skin of the gourd.

They look like toads because of their hard skin.

What must it feel like to kiss her smooth hard skin?

She could almost feel the hard calloused skin of his palm on her hand now.

They are projections (things that stick out) made of hard skin.