Abstract: A sock liner (fitting above an insole of an article of footwear) includes a base layer between a thinner top layer, typically fabric contacting a sock in a shoe, and an intermediate layer below for shaping. The intermediate layer is a tailored series of projections, each extending from the medial side toward the lateral side. Together, these contain locally the individual regions of the “fat pad,” extending along the underside of a foot, providing the natural cushioning of bones, muscles, tendons, and ligaments thereabove. The liner may provide flex, stiffness, lift, cushioning, or the like in areas of the heel, arch, metatarsals, and forefoot. The layup typically includes multiple layers of expanded polymer material (plastic or elastomeric foam). These may be cut, overlaid, embossed, debossed, or a combination, in or out of a mold, to locally alter density, thickness, softness, or stiffness.

Abstract: An apparatus comprising a stability layer dimensioned to be positioned within a shoe. The apparatus may comprise a stability wall extending downward from a heel portion of the stability layer. The stability wall may comprise a back section dimensioned to curve around a back side of the heel portion. The stability wall may also comprise at least one of a lateral side section and/or a medial side section. The lateral side section may extend along a lateral side of the heel portion and the medial side section may extend along a medial side of the heel portion. A method may comprise providing a stability layer and a midsole layer. The method may also comprise positioning the stability layer on the midsole layer.

Abstract: An endless drive track for a snowmobile is provided with traction lugs that are inclined relative to normal to the track base. When the traction lugs are inclined away from the direction of travel for the track, the traction lugs can compress the snow before engaging the snow for traction, thereby providing lift for a snowmobile traveling in deep snow. Second traction lugs, angled opposite the first, provide hard snow traction and long traction life.

Abstract: An endless drive track for a snowmobile is provided with traction lugs that are inclined relative to normal to the track base. When the traction lugs are inclined away from the direction of travel for the track, the traction lugs can compress the snow before engaging the snow for traction, thereby providing lift for a snowmobile traveling in deep snow.

Abstract: An endless drive track for a snowmobile is provided with traction lugs that are inclined relative to normal to the track base. When the traction lugs are inclined away from the direction of travel for the track, the traction lugs can compress the snow before engaging the snow for traction, thereby providing lift for a snowmobile traveling in deep snow. Second traction lugs, angled opposite the first, provide hard snow traction and long traction life.

Abstract: A machining tool comprises a support structure, and a standard extending therefrom. The standard comprises a tool holder adapted to removably receive a rotary tool. The tool holder employs a reciprocating mechanism to move such rotary tool nearer to, or further from a workpiece. Such rotary tool is removably connected to a chuck, the chuck being adapted to accommodate a bit of larger diameter than the rotary tool is adapted to receive. The machining tool having a mechanism adapted to control the speed of such rotary tool.

Abstract: An endless drive track for a snowmobile is provided with traction lugs that are inclined relative to normal to the track base. When the traction lugs are inclined away from the direction of travel for the track, the traction lugs can compress the snow before engaging the snow for traction, thereby providing lift for a snowmobile traveling in deep snow.