Repellent Stick

The Repellent Stick is a wooden stick with Mole Rat Repellent on it. It is given to you by Moira Brown during the quest Wasteland Survival Guide. Upon completing the quest, if the optional objective of using the repellent on a total of ten Mole Rats is fulfilled, the player is able to keep it for future use. If the optional objective is not fulfilled, or if the quest is completed with a Speech-based lie, Moira takes back the stick but will sell it to you from that point on, meaning you can still have it permanently if you accidentally or intentionally did the bare minimum.

The stick is exceptionally effective against Mole Rats, as one hit causes an allergic reaction on Mole Rats, causing their bodies to smoke and their heads to explode in a few seconds, while a second hit will cause the explosion to happen instantly. It is also partially effective against Radroaches, as it will kill them in two hits, as well as cause their heads to explode quite frequently.

Bugs:

.On the xbox360 version I convinced Moria Brown to give up on the book and didn't take the repellent stick back and you can not drop it because it says it's a quest item that weighs 3kg