Abstract: A combination ball marker and alignment device has a base and an aiming device. The base has a top surface and an opposing bottom surface. The base further has a ball contact side, disposed on a sidewall between the top and bottom surfaces, having a shape configured to contact a spherical ball along a surface line of the ball that is orthogonally oriented with a vertical axis of the ball, and an opposing back side disposed between the top and bottom surfaces. The aiming device includes a linear indicator. The aiming device is coupled to the base and configured to move along an arcuate path above the top surface. The arcuate path defines an axis rotation, and the linear indicator remains radially oriented to the axis of rotation regardless of the position of the aiming device on the arcuate path.

Abstract: A combination ball marker and alignment device has a base and an aiming device. The base has a top surface and an opposing bottom surface. The base further has a ball contact side, disposed on a sidewall between the top and bottom surfaces, having a shape configured to contact a spherical ball along a surface line of the ball that is orthogonally oriented with a vertical axis of the ball, and an opposing back side disposed between the top and bottom surfaces. The aiming device includes a linear indicator. The aiming device is coupled to the base and configured to move along an arcuate path above the top surface. The arcuate path defines an axis rotation, and the linear indicator remains radially oriented to the axis of rotation regardless of the position of the aiming device on the arcuate path.

Abstract: An ergonomic hand tool holder that supports a tool for use, while being received comfortably in a user's hand in a natural resting angle relative to the wrist, defines forefinger and thumb rest areas on outwardly-facing surfaces of side regions of the holder body, and hand rest areas adapted to engage and rest against the “saddle” of a user's hand when the holder is held with the forefinger and thumb rest engaging the forefinger and thumb rest areas. The weight of the holder and its supported load is distributed to the dorsal saddle area of the user's hand, allowing the user's arm to bear the weight, while the user's wrist and fingers guide, rather than carry, the tool. An ergonomic system may also include a counterweight device adapted to move the combined weight the load toward the hand rest area engaging the dorsal saddle area.