Estria's skinny cap (stencil tip) tutorial [updated]

Correct info, from the site: "In 1986 Crayone TWS and Razor KTD first introduced Estria to the Skinny Cap. Razor was the first to conceive of it." (San Francisco Bay Area)

This type of detail cap has spread to Europe and beyond over the decades.

Here's the first public tutorial on home made skinny caps.

Be forewarned: Using these can be incredibly messy. You will get paint all over yourself until you get the hang of it. Wear gloves and trashed shoes. On the upside, you'll have plenty of loose paint for those nice splatter effects.