This thin hardened rod of material bursts when inserted into a lock, compromising the integrity of the lock. This consumable item may be used to replace a thieves tools if one is not owned. If used in tandem with thieves tools, it grants advantage on the check. 

Lockburst chalk also allows anyone skilled in alchemist’s tools to add their proficiency modifier to the check. 

Notes: Crafting Lockburst Chalk is possible for anyone proficient with Alchemist's Supplies, access to said supplies, and 15 gp worth of appropriate alchemical raw materials per rod.