Road Safety, Tanzania

What people wear on their heads whist riding piki-pikis (Motorbikes):

1. Helmet worn in the style of a hat; perched on the top of the head, so as to avoid undue sweatiness from full face coverage.
2. A tooth pick
3. A polystyrene helmet, with a large hole in the side, giving the impression of a large, half eaten, boiled egg.
4. Hair