A loose-fitting cowl. With a yarn that changes color, a zig-zag pattern will be seen throughout; with a plain yarn, columns of increases and decreases dominate.

This scarf, inspired by a piece of jewelry, has a simple geometric repeat which is visually arresting and easy to knit.

A Futurama-style brain slug. Worn with a headband in a color that matches your hair, the effect can be startling. Knits up quick for Halloween parties and gifts.

A simple-looking hat with gently swirling cables through the top.

Want to wear the first 23 digits of pi? Want to give other people a secret nerd handshake? Here’s the place to do it. A hat with a folded-over hem to keep your ears warm, with the first few digits of pi around the brim. The actual symbol pi is on top of the crown (perhaps a clue?)