Lock-on (protest tactic)

A woman sits with a chain around her waist, padlocked to heavy earthmoving equipment.
A protester locks on to heavy earthmoving equipment.

A lock-on is a technique used by protesters to make it difficult to remove them from their place of protest. It often involves improvised or specially designed and constructed hardware, although a basic lock-on is the human chain which relies simply on hand grip.[1]

  1. ^ Young, Patrick (March 18, 2007). "The Next Page: Hot trends in protest technology". Post-Gazette.com. PG Publishing Co., Inc. Retrieved February 6, 2011.