Urumi

Urumi is a type of curling blade.

Description
Urumi is a blade that looks normal when sheathed, but is actually longer that the sheath itself.

Appearance
Rather than a sword, an urumi resembles a long and thin metallic whip.

Abilities
This longsword is made of a soft metal which bends and flails easily, enabling its wielder to attack his/her opponent in multiple areas thanks to its flexible whip-like blade.

Trivia

 * The urumi is an actual sword that originated from India.