Sailor knots

Sailor Knots is a program offering the nine most important sailor knots will bring. These are also at the boat slips examined. 

You need to practice a rope with a length of about 1.5 m and 1 cm in diameter. 

I would like to have fun practicing. 

See also my other programs:
- Breastfeeding
- Lutin (Firstname Dictionary)
- Pregnancy App
- TapReaction