Caretaker's Spade

The Caretaker's Spade is an iconic Hammer in.

Acquisition

 * Knockin' on Heaven's Door - Leaning against a group of rocks in the central area of the Arasaka Tower jungle floor.
 * Ending Reward - After obtaining the Caretaker's Spade in aforementioned quest and finishing the game, upon returning to the "Point of No Return," you'll be rewarded with one. This unlocks the iconic weapon, and every time you finish an ending with that character, you'll receive one as long as you don't already have it in that save file.

Trivia

 * This iconic hammer is a reference to the unique spade you can get in The Witcher 3's Hearts of Stone expansion.