Carpentry featherboard

A carpentry featherboard releasably positionable adjacent a power tool surface for guiding motion of a workpiece being moved in a direction relative to the power tool surface, the featherboard comprising:

• a featherboard body having a curved contact surface generally configured in the shape of a spiral and having a pivot point of the body and a plurality of radii defined between the pivot point and portions of the contact surface, the radii progressively increasing in dimension to define the spiral shape of the featherboard body, wherein a clamp located at the pivot point releasably maintains the featherboard at a desired angular position and permits adjustment of the angular position of the featherboard and selection of a site of the contact surface for contact with the workpiece to guide motion of the workpiece as the workpiece is moved in a direction relative to the power tool surface.