Pointy Rib

Pointy Rib is an unlockable passive item added in Booster Pack #5.

Effects

 * Spawns a bone familiar that can be aimed with the fire buttons in all directions and does contact damage.
 * The familiar will continuously hover back and forth in the direction that it is pointing in.
 * The damage is equal to Isaac's tear damage and is dealt 6 times per second.
 * Being hurt boosts the damage slightly for a short moment.
 * The familiar will damage poop and fire.

Trivia

 * The item is possibly a reference to the Genesis story where God created Eve by removing a rib from Adam.