Ruletool is a personal initiative by Maarten de Boer. Maarten is a Dutch official, active on the field since 2006. He is selected as European league ( official in 2011.
Please provide your comments, suggestion or other feedback to .
Special thanks to:
- Rom Gilbert for allowing me to use the videos on his website.
- Hans Lämmerhirt for providing the German rulebook.
- Rafa Miras for providing the Spanish rulebook.
