Pat Ashforth and Steve Plummer from Woolly thoughts are are designers of mathematical knitwear.
Checkmate is an Afghan Game. Use it as an afghan or put it on the floor and play the game.
Double Vision appears to have 55 different shades though it only uses 10 ordinary, easily available colours.
Fibo-optic uses the Fibonacci Sequence in two directions, in each of the three dimensions, to give the illusion of a large flying cube.
Give Me A Clew is a repesentation of a Roman labyrinth discovered in Wales (UK) – part of the maze afghans set.