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Quiz Entry - updated: 2026.07.14

What are some specialized hand-operated lock tools beyond standard picks?

Beyond picks, there are purpose-built tools for specific lock types — each one solves a problem standard picks can't.

The specialized tools:

Tool Target lock How it works
Hobbs'scher Öffnungshebel Lever-tumbler / Chubb-style Custom-shaped lever lifts all tumblers to a known height. Named after Alfred Hobbs (the man who picked Chubb in 1851)
Drehscheibenöffner Disc-detainer (Abloy-style) Rotates each disc to its gate position one at a time
Kreuzbartöffner Cruciform (4-way) keys (filing cabinets, vending) Custom 4-bladed shape mimics a cross-key
Lishi 2-in-1 Wafer locks (cars, padlocks) Picks + decodes simultaneously — see the imprinted ruler on the tool

Why specialized tools exist:

Standard pin-tumbler picks don't work on locks without pins. Each major lock family has its own attack tool:

  • Pin-tumblers → hooks, rakes
  • Lever-tumblers → Hobbs lever
  • Disc-detainers → spinner tools
  • Wafer locks → Lishi
  • Tubular locks (vending machines) → tubular pick (the "circular key")

The Lishi advantage:

Lishi tools are the most game-changing of recent decades. They were originally developed in China for car-key replacement (lockout services). For most common car locks (Toyota, BMW, VW), a $80 Lishi tool will open the car and tell you the bitting code in under 60 seconds — letting a locksmith cut a working key on the spot. The same technology applies to padlocks and door cylinders.

Tip: Search YouTube for "Lishi 2-in-1 demonstration" to see one in action. The way it both picks and decodes in a single insert is genuinely clever engineering.

From Quiz: INTROL / Physical Security of Locks & Keys | Updated: Jul 14, 2026