cut a section from the upper part of a panty hose and slip it over the vac's pleated filter. The panty hose acts as a pre-filter, keeping out large particles that can quickly clog the pleated filter. Once the filter is clogged, a shop vacuum stops working
Build a table top or wall mount drill bit rack Here’s the Cadillac of drill bit racks. It comes with a sizing index to check round work pieces and the bits themselves for drilling the exact corresponding hole.
Boring big or odd-size holes is easy: All you need is a template of the hole shape, a forstner bit to rough the shape and hog out the majority of the material, and a flush trim router bit to clean up the shape.