Author: Davis Blackwelder

Retired mathematician and engineer. Avid reader, cyclist, teacher, grandfather, and lock picker--having taken up this obsessive hobby in retirement. From rural North Carolina, currently living in Huntsville, Alabama (where Von Braun and others developed the Redstone, Jupiter, Atlas, Saturn, Space Shuttle, and other space launch systems). Worked on several US and Israeli missile defense systems. For some of my lock picking activities, check out my Reddit profile. For some of my infamous Uncle Bill stories and Western US travelogues, check out some of my posts on Facebook.
Paclock 90a & 90a-pro

PACLOCK 90A & 90A-PRO Padlocks Reviewed

Overview PACLOCK (Pacific Lock Company) of Valencia, California makes high-quality consumer and commercial locks.  In this article, we review two of their popular light-duty aluminum-bodied padlocks, the models 90A and 90A-PRO. Design Both locks are the same size and the bodies are made of 6061 aluminum.  They come with a ¼” ball bearing-retained shackle, with…

lock pick youtube channels lockjudge

Learn from the Best: Top Lock Picker YouTube Channels

Lock picking (called Locksport by those who pick locks as a hobby) has been a little-known, niche hobby but has become more popular during Covid.  During our confinement, some of us discovered lock picking and found it to be something intellectually and physically challenging that we could do at home. As a result, YouTube locksport…