foone on Twitter: "Someone I didn't realize existed until just now: A USB Write Blocker. It's for forensic use, and keeps the attached USB drive from being changed. https://t.co/Fuu3Heoj3f" / Twitter
File:Tableau Forensic USB 3.0 Bridge - Hard Drive Write Blocker (31866290746).jpg - Wikimedia Commons
Cheap and Effective USB Write Blocker : 4 Steps - Instructables