Nylon sprit adjuster handle with hole for 4 mm rope. For easier handling of the halyard.
It can often be hard to grab the Optimist Halyard when it is just a length of line. Being able to rig and adjust your boat easily makes sailing that much more enjoyable, and will get your child out on the water more often.
Having the sprit incorrectly adjusted can lead to an inefficient sail shape. This makes it crucial that your young sailor is able to adjust the sprit easily.