Thieves’ Tools
Cost: 100 This set of tools includes a small file, a set of lock picks, a small mirror mounted on a metal handle, a set of narrow-bladed scissors, and a pair of pliers.
Mechanics
Proficiency with these tools lets you add your proficiency bonus to any ability checks you make to disarm Traps or open locks.
Without proficiency, these tools just allow you nullify any disadvantage an unfamiliar lock or trap would pose.
Perhaps you can find a tutor to train you in the ways of the thief…