Background Without hinge: Difficult With hinge: Easy Hinges are often overlooked as a simple way to improve efficiency and physical demands on people. They should be […]

Screw clamp: Slow, forceful Quick release: Fast, easy Principles affected Force Motions Related pages Access panels Fixtures Background Quick releases and disconnects have multiple advantages over […]

Background Speed Strength The gear is an ancient mechanism that continues to have new uses.  Gears can be used either to increase speed (thereby reducing motions) or […]

  Lever added to wire stripper (see lever devices below) Principles affected Force Background Levers are as old as the earliest humans.  Yet, they still can play a […]

Forearm brace provides heavy force with no wrist strain Principles affected Force Background Certain types of tools and tasks can place considerable strain on the wrist. […]

Innovative strap on Whizard® knife (see comments below) Principles affected Fatigue Background Constantly holding a hand tool can fatigue muscles (“static grip”), cause pain, and interfere […]

Short handle:  long reach Long handle: no reach Principles affected Posture Height Related pages Tools Second handles Background The value of a long-handled tool has been […]

A second handle can help Principles affected Force Reach Fatigue Related pages Tool grips Background Second handles on hand tools help to: Increase control and maneuverability […]

Bench mounted tools Principles affected Force Motions Fatigue Related pages Tools Counterbalances Hand straps Background This strategy has to do with mounting tools that are typically […]