pivot arm; swing support; turnbuckle; parallel clamps; caster; connecting link; v-block clamp; tool post holder; crane hook; channel clamp; tube support; flanged coupling; double-v pulley; shaft base; flanged elbow; dovetail guide; rocker arm. i was sitting here playing with a screw, and i felt like writing. so i did. but, you know what? it doesn’t help. it doesn’t make it go away. it used to. i don’t know what changed.