Sharp Straw

Sharp Straw is an active item added in Afterbirth †.

Effects

 * Damages all enemies in the room.
 * The damage dealt is equal to Isaac's current tear damage plus 10% of the enemy's max health.
 * Has a chance to drop half red or soul hearts when it damages an enemy.

Synergies

 * 9 Volt: Item starts at half charge after use, allowing more rapid usage.
 * Car Battery: Damage is doubled.
 * The Battery: Item gets two charges, allowing immediate double usage.

In-game Footage
Sharp Straw