>>681187There's like one OC picture in the thread you fucking turd, but I'll bite anyway.
>>681279>fallout zone detection rulerlol what? It's because the compass contains a small tritium vial pointing north. Most compasses and cheaper watches contain fluorescent markings which need to gather light during the day to charge them so they can be seen to glow at night. A tritium light source does not need "charging" as it is continuously undergoing radioactive decay, hence the trefoil.
