The trick is to use two tools together: locking pliers to grab the nail shank, and a pry bar to do the pulling. When the ...

A few examples are: locking pliers, bicycles, oil well pumps, loaders, internal combustion engines, compressors, and pantographs. In biology we can also find examples of this linkage, as in the ...

Bits- Multi-purpose bits, metal bits, hole saws, forstner bits, countersinks, etc. Pliers-locking pliers, needle nose pliers, diagonal snips, flush cutters, etc. Aviation snips- right cut, left cut, ...

Hammer? Check. Screwdriver? Check. Pliers? Check. Locking mechanism that prevents unintended mishaps? Also check!