New roof anchor may make firefighting safer

A Massachusetts firefighter has designed a new roof anchor that provides a secure and stable working platform for firefighters as they use chainsaws and other tools to cut into roofs.

http://www.masslive.com/living/index.ssf/2013/05/springfield_fire_capt_robert_duffy_invents_quick_step_anchor_to_help_firefighters_stay_safer_on_roof.html