Thunderbolt connectors are held in place by friction. While that works well in situations where equipment remains undisturbed while operating, when there's a chance of movement nearby, there's a chance the Thunderbolt cable can be unintentionally unplugged, possibly leading to loss of your work or data. To solve this problem, Sonnet designed the ThunderLok, a Thunderbolt connector retainer clip, to prevent accidental cable disconnections from many of Sonnet's current Thunderbolt products. It is easy to install and use - just slide it over one end of the cable, and then plug in the connector and secure it to the product by turning a thumbscrew. Because of its unique design, ThunderLok does not attach to the connector, but remains on the cable so it won't get lost when not in use.