It must be at least three months since I did the last one.
You need to register (or be registered) and answer ten easy questions (there are clues) to get a one-portion sample of tech wash:
http://www.nikwax.co.uk/en-gb/webquiz/index.php
You need to register (or be registered) and answer ten easy questions (there are clues) to get a one-portion sample of tech wash:
http://www.nikwax.co.uk/en-gb/webquiz/index.php