Holding the strip down makes the hammer bounce on the double strings, which produces a mandolin-like tremolo.

The female lays a long, double string of small black eggs.

It has six sets of double strings and played with a pick, usually a trimmed eagle's feather.

A modern dulcimer is more like the lower one in the photograph, with a double first string.

The baroque guitar has five courses, with the top four always double strung, and the bass string either double or single.

The melody is played on the double strings with a unique playing technique with three fingers of the right hand.

Primarily used for hunting wildfowl, these usually have a double string with a pouch between the strings to hold the projectile.

She had a double string of pearls close around her neck, and a diamond clip at the tip of each ear.

The cuatro has five double strings made of steel and silk.

Her jewellery includes a double string of pearls, a necklace, worked golden buttons and a belt.