In the U.K. they may be bought from https://www.thediceshoponline.com/dice/5084/D-G-Opaque-Yellow-Black-Compass-D8-Dice
in the U.S.A. from https://www.gmdice.com/products/d8-compass-dice
but...
Type: Posts; User: Naharaht
In the U.K. they may be bought from...
In the U.K. they may be bought from https://www.thediceshoponline.com/dice/5084/D-G-Opaque-Yellow-Black-Compass-D8-Dice
in the U.S.A. from https://www.gmdice.com/products/d8-compass-dice
but...
You do not need a die to choose between clockwise...
You do not need a die to choose between clockwise and anti-clockwise - just toss a coin.