How to make DIY custom molded earbuds

Custom molded inserts for earbuds are fantastic because they are much more comfortable than mass produced, one-earbud-fits-all devices, and they offer pretty good isolation from outside noise.

The problem is that they are expensive. Here’s a video via Make that teaches you how to make top-quality DIY custom molded earbuds on the cheap – a total of about 10 bucks.