pickproof

pick·proof

 (pĭk′pro͞of′)
adj.
Designed to prevent picking: a pickproof lock.

pickproof

(ˈpɪkˌpruːf)
adj
(Metallurgy) (of a lock) unable to be picked
References in periodicals archive ?
This requires creation of glory, rewards, "hoopla" in the media, and all the things that encourage people to pursue any field of activity--Jacob Rabinow, holder of more than 200 patents including the magnetic particle clutch, the automatic clock regulator and, most recently, a pickproof lock; writing in Chemtech, March 1980, p.
of Irving, Texas, the locking system offers resistance to surreptitious entry, resists impressioning, and is virtually pickproof.
The other device is a 10mm ArmorLite chrome chain with hardened steel PadLock and Pickproof laser encrypted Kava key.
The electronic padlock system consists of the pickproof electronic cylinder, a CyberKey that cannot be duplicated, and CyberAudit access control software.
The locks offer maximum resistance to surreptitious entry attempts, resist impressioning, and are virtually pickproof.