DH is looking at buying a trailer for his bike so he can take DD when he goes riding, as he really wants to start exercising again. He feels that the trailer would be safer for DD if he was to come off.

The trailer we saw at Target today suggested for use with toddlers 18 months and older. Has anyone used one of these on a baby younger than that? Our DD will be 8 months old tomorrow, although she is the height and weight of an average 12 month old.

For those of you who have used these with a younger bub, where did you buy the bubs helmet from?