Many high-end industrial software packages—like SolidCAM or various CNC controller systems—require a physical USB dongle (often a HASP or Sentinel key) to run. Without the physical key, the software is locked.
: It emulates various dongle types including HASP (3, 4, HL, SRM), Hardlock, Sentinel SuperPro, and Guardant. multikey 181 x64 link