Unlock counter

Unlock counters are a type of counter introduced in Murders at Karlov Manor.
==Description==
Unlock counters are used as a thematic representation of solving a cryptex. As players gather clues (collect evidence) to the code, they gain more unlock counters on their . Five or more unlock counters grant access to the cryptex's contents.
==Gallery==
File:MKM punch card.jpg|Murders at Karlov Manor punch card with a.o. Unlock counters
==References==