Honda Jetski Lanyard / Killswitch key

This is my attempt at cloning the Honda Aquatrax killswitch key (Lanyard)\

The aftermarket ones usually don't fit well and are a pain to get on and off the post

I modelled this one while looking at and measuring an original key.

The pictures show a Red key, that is the original.

The pic with lots is the various iterations of my design so far. version one is the white one all by itself, the bunch in the middle are version 2 and the rounded blue one is version 3, which is what I've upl