Doublehand

Two Hands, also known as Doublehand or 2 Handed, is an ability that increases the power of one-handed weapons by holding the weapon in both hands.

Final Fantasy V
Two-Handed is a support ability learnt by the Knight job class.

Final Fantasy VI
A character equipped with the Gauntlet Relic can equip a single-handed weapon in both hands.

Final Fantasy XII
A character equipped with the Gauntlet accessory can equip a single-handed weapon in both hands.

Final Fantasy Tactics
Two Hands is a support ability learnt by the Samurai for 900 JP.

Final Fantasy Tactics Advance
Doublehand is a support ability learnt by the Figher from the Venus Blade.