hardware

Pony' O - for hair tie.

comes in 2 thickness.

P02 - thinner one suitable for fine hair

 P01 - thicker one suitable for bulky hair

Alligator clips 

suitable for all ages.

can be use as a clip or attached to headband or beanie hat.
Single pronged is nice when you are going for the least heavy and bulky, and double pronged is nice when you need that extra prong to hold it in the hair.

Snap Clips
comes in 4 sizes.  suitable for children with thin hair.
for children with alot of hair, advisable to take at least 40mm